Science and technology in Japan has helped fuel the rapid industrial and economic development of the country. Japan has a long history and tradition for scientific research and development, stretching as far back as the Meiji period.
However, science and technology developed rapidly after the Second World War, which has affected the advancement of vehicle technology, consumer electronics, robotics, medical devices, space exploration, and the film industry. Japan's exemplary educational system as well as its higher education institutions help contribute to the country's acceptance for technological innovation and aid engineering talent development.
High levels of support for research and development have enabled Japan to produce advances in automotive engines, television display technology, videogames, optical clocks, and many other fields. Japan is also advanced and a global leader in the robotics, natural sciences, aerospace exploration and biomedical research areas. In 2024, Japan was ranked 13th in the Global Innovation Index by the World Intellectual Property Organization. [1]
Scientific research in Japan is supported and promoted by the Japanese Government through various institutes and agencies including the Japan Science and Technology Agency (科学技術振興機構), Science Council of Japan (日本学術会議) and the Japan Academy (日本学士院).
Founded in 2003 through the merging of three aerospace organisations (Institute of Space and Astronautical Science, National Aerospace Laboratory, and the National Space Development Agency of Japan), the Japan Aerospace Exploration Agency (JAXA) conducts space and planetary exploration, aviation research, and the development of various space technologies and satellites. JAXA has developed a series of rockets in conjunction with Japanese heavy manufacturers such as Mitsubishi Heavy Industries. The organisation was also responsible for the development of the Japanese Experiment Module (also known as KIBO), which was launched and added to the International Space Station during Space Shuttle assembly flights in 2007 and 2008 and the HTV to transfer payloads to the station in 2009.
Japan also sends several astronauts to work in the ISS and help other international collaborators with space research and technology transfers. Since 1990, twelve Japanese individuals have participated in space flights, two of whom were women. Two Japanese astronauts also served as commanders of the ISS, with the last being Akihiko Hoshide. [2]
In recent years, Japan's Hayabusa2 spacecraft has been used to collect samples from a near-Earth asteroid called Ryugu and back to Earth for research and analysis. The 6-year mission ended in 2020. [3]
Since 1973, Japan has been looking to become less dependent on imported fuel and start to depend on nuclear energy. In 2008, after the opening of 7 brand new nuclear reactors in Japan (3 on Honshū, and 1 each on Hokkaidō, Kyūshū, Shikoku, and Tanegashima) [4] Japan became the third largest nuclear power user in the world with 55 nuclear reactors. These provide 34.5% of Japan's electricity.
Following an earthquake, tsunami, and the failure of cooling systems at the Fukushima I Nuclear Power Plant on March 11, 2011, a nuclear emergency was declared. 140,000 residents within 20 km of the plant were evacuated. See Radiation effects from Fukushima Daiichi nuclear disaster 900.
Japan is well known for its electronics industry throughout the world, and Japanese electronic products account for a large share in the world market, compared to a majority of other countries. Japan is one of the leading nations in the fields of scientific research, technology, machinery, and medical research with the world's third largest budget for research and development at $130 billion USD, and over 677,731 researchers. Japan has received the most science Nobel prizes in Asia (see List of Nobel laureates by country)
Japan has large international corporate conglomerates such as Fuji (which developed the nation's first electronic computer, FUJIC1999, in 1956) and Sony. Sony, Panasonic, Canon, Fujitsu, Hitachi, Sharp, NEC, Nintendo, Epson and Toshiba are among the best-known electronics companies in the world. Toyota, Honda, Nissan, Mazda, Mitsubishi, Suzuki, and Subaru are also very well known automobile companies in the world.
It is estimated that compared to the amount of known reserves still in the ground, 16% of the world's gold and 22% of silver is contained in electronic technology in Japan. [5]
Japan is also known for robotics. There are many types of robots that are used in restaurants, hospitals, parks, or in different companies. [6] Robots are used for different purposes, such as in restaurants in Japan. Japanese research companies are researching on advanced AI robots that can mimic the work of humans. [7]
Japan is also a global leader in the area of biomedical research along with the United States and elsewhere. In 2015, the country established the Japan Agency for Medical Research and Development to help implement biomedical research and development projects and improve the support infrastructure for clinical research. Medical research in Japan typically takes place in various national university and private university research hospitals. These research hospitals include University of Tokyo Hospital, Tohoku University Hospital, and Keio University Hospital among others.
On the centennial anniversary of the creation of the industrial rights system in 1985, the Japan Patent Office selected ten Japanese inventors whose inventions helped contribute to Japan's rapid industrial development and scientific research. These inventors are:
Naoko Yamazaki is a Japanese engineer and former astronaut at JAXA. She was the second Japanese woman to fly in space. The first was Chiaki Mukai.
Koichi Wakata is a Japanese engineer and an astronaut working for Axiom Space. He retired from JAXA in 2024. Wakata is a veteran of four NASA Space Shuttle missions, a Russian Soyuz mission, and a long-duration stay on the International Space Station. During a nearly two-decade career in spaceflight, he has logged more than five hundred days in space. During Expedition 39, he became the first Japanese commander of the International Space Station. Wakata flew on the Soyuz TMA-11M/Expedition 38/Expedition 39 long duration spaceflight from 7 November 2013 to 13 May 2014. During this spaceflight he was accompanied by Kirobo, the first humanoid robot astronaut.
Chiaki Mukai is a Japanese physician and JAXA astronaut. She was the first Japanese woman in space, the first Japanese citizen to have two spaceflights, and the first Asian woman in space. Both were Space Shuttle missions; her first was STS-65 aboard Space Shuttle Columbia in July 1994, which was a Spacelab mission. Her second spaceflight was STS-95 aboard Space Shuttle Discovery in 1998. In total she has spent 23 days in space.
The National Space Development Agency of Japan, or NASDA, was a Japanese national space agency established on October 1, 1969 under the National Space Development Agency Law only for peaceful purposes. Based on the Space Development Program enacted by the Minister of Education, Culture, Sports, Science and Technology (MEXT), NASDA was responsible for developing satellites and launch vehicles as well as launching and tracking them.
The Japan Aerospace Exploration Agency (JAXA) is the Japanese national air and space agency. Through the merger of three previously independent organizations, JAXA was formed on 1 October 2003. JAXA is responsible for research, technology development and launch of satellites into orbit, and is involved in many more advanced missions such as asteroid exploration and possible human exploration of the Moon. Its motto is One JAXA and its corporate slogan is Explore to Realize.
Institute of Space and Astronautical Science, or ISAS, is a Japanese national research organization of astrophysics using rockets, astronomical satellites and interplanetary probes which played a major role in Japan's space development. Since 2003, it is a division of Japan Aerospace Exploration Agency (JAXA).
The National Aerospace Laboratory of Japan (NAL), was established in July 1955. Originally known as the National Aeronautical Laboratory, it assumed its present name with the addition of the Aerospace Division in 1963. Since its establishment, it has pursued research on aircraft, rockets, and other aeronautical transportation systems, as well as peripheral technology. NAL was involved in the development of the autonomous ALFLEX aircraft and the cancelled HOPE-X spaceplane.
Katherine Megan McArthur is an American oceanographer, engineer, and NASA astronaut. She has served as a Capsule Communicator (CAPCOM) for both the Space Shuttle and International Space Station (ISS). Megan McArthur has flown one Space Shuttle mission, STS-125 and one SpaceX mission, SpaceX Crew-2 on Crew Dragon Endeavour. She is known as the last person to be hands on with the Hubble Space Telescope via the Canadarm. McArthur has served in a number of positions including working in the Shuttle Avionics Laboratory (SAIL). She is married to fellow astronaut Robert L. Behnken.
Satoshi Furukawa is a Japanese surgeon and JAXA astronaut. Furukawa was assigned to the International Space Station as a flight engineer on long-duration missions Expedition 28/29 (2011) and Expedition 69/70 (2023-2024).
Akihiko Hoshide is a Japanese engineer, JAXA astronaut, and former commander of the International Space Station. On August 30, 2012, Hoshide became the third Japanese astronaut to walk in space.
The following outline is provided as an overview of and topical guide to space exploration.
Hayabusa2 is an asteroid sample-return mission operated by the Japanese state space agency JAXA. It is a successor to the Hayabusa mission, which returned asteroid samples for the first time in June 2010. Hayabusa2 was launched on 3 December 2014 and rendezvoused in space with near-Earth asteroid 162173 Ryugu on 27 June 2018. It surveyed the asteroid for a year and a half and took samples. It left the asteroid in November 2019 and returned the samples to Earth on 5 December 2020 UTC. Its mission has now been extended through at least 2031, when it will rendezvous with the small, rapidly-rotating asteroid 1998 KY26.
Takuya Onishi is a Japanese astronaut who was selected for the Japan Aerospace Exploration Agency (JAXA) in 2009. He spent four months on board the International Space Station in 2016.
Thomas Gautier Pesquet is a French aerospace engineer, pilot, European Space Agency astronaut, actor, musician, and writer. Pesquet was selected by ESA as a candidate in May 2009, and he successfully completed his basic training in November 2010. From November 2016 to June 2017, Pesquet was part of Expedition 50 and Expedition 51 as a flight engineer. Pesquet returned to space in April 2021 on board the SpaceX Crew Dragon for a second six-month stay on the ISS.
Expedition 33 was the 33rd long-duration expedition to the International Space Station (ISS). It began on 16 September 2012 with the departure from the ISS of the Soyuz TMA-04M spacecraft, which returned the Expedition 32 crew to Earth.
The Japanese space program originated in the mid-1950s as a research group led by Hideo Itokawa at the University of Tokyo. The size of the rockets produced gradually increased from under 30 cm (12 in) at the start of the project, to over 15 m (49 ft) by the mid-1960s. The aim of the original research project was to launch a man-made satellite.
Kounotori 3, also known as HTV-3, was the third flight of the Japanese H-II Transfer Vehicle. It was launched on 21 July 2012 to resupply the International Space Station (ISS) aboard the H-IIB Launch Vehicle No. 3 manufactured by Mitsubishi Heavy Industries (MHI) and JAXA. Kounotori 3 arrived at the ISS on 27 July 2012, and Expedition 32 Flight Engineer and JAXA astronaut Akihiko Hoshide used the International Space Station's Canadarm2 robotic arm to install Kounotori 3, to its docking port on the Earth-facing side (nadir) of the Harmony module at 14:34 UTC.
The (Japanese) Lunar Exploration Program is a program of robotic and human missions to the Moon undertaken by the Japanese Aerospace Exploration Agency (JAXA) and its division, the Institute of Space and Astronautical Science (ISAS). It is also one of the three major enterprises of the JAXA Space Exploration Center (JSPEC). The main goal of the program is "to elucidate the origin and evolution of the Moon and utilize the Moon in the future".
Kirobo is Japan's first robot astronaut, developed by University of Tokyo and Tomotaka Takahashi, to accompany Koichi Wakata, the first Japanese commander of the International Space Station. Kirobo arrived on the ISS on August 10, 2013 on JAXA's H-II Transfer Vehicle Kounotori 4, an unmanned resupply spacecraft launched August 4, 2013 from Japan's Tanegashima Space Center. A twin to Kirobo, named Mirata, was created with the same characteristics, and stayed on Earth as a backup crew member. The word "kirobo" itself is a portmanteau of kibō (希望), which means "hope" in Japanese, and the word robo (ロボ), used as a generic short word for any robot.
Expedition 66 was the 66th long-duration expedition to the International Space Station. The mission began after the departure of Soyuz MS-18 on 17 October 2021. It was commanded by European Space Agency astronaut Thomas Pesquet, the fourth European astronaut and first French astronaut to command the ISS until 8 November 2021 when Russian cosmonaut Anton Shkaplerov, who arrived aboard Soyuz MS-19, took over his command.
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