![]() | You can help expand this article with text translated from the corresponding article in Japanese. (July 2019)Click [show] for important translation instructions.
|
Tokuji Hayakawa | |
---|---|
![]() Hayakawa (right) testing a crystal radio (1925) | |
Born | November 3, 1893 Tokyo, Japan |
Died | June 24, 1980 86) | (aged
Nationality | Japanese |
Occupation | businessman |
Known for | founder of Sharp Corporation, inventor of the Ever-Ready Sharp Pencil |
Tokuji Hayakawa (早川 徳次, Hayakawa Tokuji, November 3, 1893 – June 24, 1980) was a Japanese businessman and the founder of Hayakawa Kinzoku Kōgyō (the present-day Sharp Corporation). He invented and patented the “Tokubijō” belt buckle in 1912 (a belt which can fasten without perforating) and invented the "Ever Ready Sharp" mechanical pencil (from which his company would later get its name) in 1915.
The success of the “Tokubijō” belt buckle led to Hayakawa starting his own metallurgical processing, which then developed into the present-day Sharp Corporation.
Hayakawa was born in Tokyo in 1893. Due to difficult domestic circumstances, he was adopted by the Ideno family. He left primary school after second grade due to his family’s poverty and was apprenticed to a maker of metallic ornaments.
Hayakawa was inspired to invent a new belt that could be fastened to any length and developed a buckle that used a roller to fasten a belt without puncturing it. Tokuji applied for a patent, using the name “Tokubijō.” When Hayakawa launched his buckle in 1912, demand in Japan for the buckle increased with the spread of Western-style fashions.
The first order for the Tokubijō buckle was huge — 33 grosses or 4,752 in total. Tokuji decided to produce his buckle independently. He borrowed most of the capital and opened his own manufacturing operation in September 1912. His manufacturing process steadily improved, and the business expanded.
In 1913, Hayakawa acquired the patent of an innovative water faucet, and in 1915, he developed the prototype of the Sharp automatic pencil still sold today. Later, he expanded his enterprise into electronics manufacturing of radios, tape-recorders and televisions. He was also active in social welfare programs. He died in 1980 at the age of 86. [1]
Translated from the article in the Japanese Wikipedia
An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics.
George Westinghouse Jr. was a prolific American inventor, engineer, and entrepreneurial industrialist based in Pittsburgh, Pennsylvania who is best known for his creation of the railway air brake and for being a pioneer in the development and use of alternating current (AC) electrical power distribution. During his career, he received 362 patents for his inventions and established 61 companies, many still in existence today.
Howard Robard Hughes Sr. was an American businessman and inventor who founded the Hughes Tool Company. He invented the "Sharp–Hughes" two-cone rotary drill bit during the Texas Oil Boom. Hughes was the father and namesake of Howard Hughes the American business tycoon and founder of Hughes Aircraft.
A mechanical pencil or clutch pencil is a pencil with a replaceable and mechanically extendable solid pigment core called a "lead". The lead, often made of graphite, is not bonded to the outer casing, and the user can mechanically extend it as its point is worn away from use. The vast majority of mechanical pencils have erasers.
John Kerwin Stewart was an entrepreneur and inventor. He founded the Stewart-Warner Corporation. In his lifetime he founded or purchased several companies and held 82 patents.
Shredded wheat is a breakfast cereal made from whole wheat formed into pillow-shaped biscuits. It is commonly available in three sizes: original, bite-sized and miniature. Both smaller sizes are available in a frosted variety, which has one side coated with sugar and usually gelatin. Some manufacturers have produced "filled" versions of the bite-size cereal containing a raisin at the center, or apricot, blueberry, raspberry, cherry, cranberry or golden syrup filling.
William Henry Bristol was an inventor, manufacturer, educator, and environmentalist. Bristol was born in Waterbury, Connecticut.
Iwatsu Electric, Co., Ltd. TYO: 6704 is a Japanese electronics manufacturer founded 14 August 1938.
Honeycomb structures are natural or man-made structures that have the geometry of a honeycomb to allow the minimization of the amount of used material to reach minimal weight and minimal material cost. The geometry of honeycomb structures can vary widely but the common feature of all such structures is an array of hollow cells formed between thin vertical walls. The cells are often columnar and hexagonal in shape. A honeycomb-shaped structure provides a material with minimal density and relative high out-of-plane compression properties and out-of-plane shear properties.
The Mechanical Engineering Heritage (Japan) (機械遺産, kikaiisan) is a list of sites, landmarks, machines, and documents that made significant contributions to the development of mechanical engineering in Japan. Items in the list are certified by the Japan Society of Mechanical Engineers (JSME) (日本機械学会, Nihon Kikai Gakkai).
Sharp Corporation is a Japanese electronics company. It is headquartered in Sakai, Osaka, and was founded by Tokuji Hayakawa in 1912 in Honjo, Tokyo, and established as the Hayakawa Metal Works Institute in Abeno, Osaka, in 1924. Since 2016, it is majority owned by the Taiwan-based manufacturer Hon Hai Precision Industry Co., Ltd., better known as Foxconn.
Eversharp is an American brand of writing implements founded by Charles Rood Keeran in 1913 and marketed by Keeran & Co., based in Chicago. Keeran commercialised Eversharp mechanical pencils, then expanding to fountain pens when the company was acquired by the Wahl Adding Machine Co. in 1916 and it was named "Wahl-Eversharp". The company continued until 1957 when it was acquired by Parker Pen, which continued to use the Eversharp brand for a time.
The history of school and office products brand Westcott dates back to 1872, when Henry Westcott, together with his two sons Charles and Frank Westcott, started manufacturing wooden furniture used by printers and trellis units in Seneca Falls, New York. The company expanded rapidly and became one of the largest manufacturers of desk and school rulers in the world. Throughout its history it remained in Westcott family hands until it was purchased by Acme Shear Co. in 1968, which later changed its name to Acme United Corporation.
A rigid chain actuator, known variously as a linear chain actuator, push-pull chain actuator, electric chain actuator or column-forming chain actuator, is a specialized mechanical linear actuator used in window operating, push-pull material handling and lift applications. The actuator is a chain and pinion device that forms an articulated telescoping member to transmit traction and thrust. High-capacity rigid chain lifting columns (jacks) can move dynamic loads exceeding 10 tonnes (22,000 lb) over more than 7 metres (23 ft) of travel.
The following timeline tables list the discoveries and inventions in the history of electrical and electronic engineering.
Thomas Parker was an English electrical engineer, inventor and industrialist. He patented improvements in lead-acid batteries and dynamos, and was a pioneer of manufacturing equipment that powered electric tramways and electric lighting. He invented the smokeless fuel Coalite. He formed the first company to distribute electricity over a wide area.
The timeline of music technology provides the major dates in the history of electric music technologies inventions from the 1800s to the early 1900s and electronic and digital music technologies from 1874 to the 2010s.
This is the history of science and technology in modern Japan.