Yokohama, Japan

Tadashi Hirata

This inventor holds 30 USPTO granted patents, primarily in Pharmaceutical Chemistry. Top assignees: Kyowa Hakko Kogyo Co., Ltd., Amada Company, Limited, Kyowa Hakko Kogyo K.k.. Active years: 1980-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Hirata. Retrieved from https://idiyas.com/inventor/tadashi-hirata-7dbp8pdl

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 6

Forward Citations = 220(Granted Patents)


Location History:

  • Isehara, JP (1986)
  • Yamato, JP (1980 - 1989)
  • Yokohama, JP (1981 - 1990)
  • Kanagawa, JP (1987 - 1994)
  • Atsugi, JP (1995)

Company Filing History:


Years Active: 1980-1995

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Areas of Expertise:
Cephalosporin Analogs
Anti-Tumor Compounds
Optically Active Derivatives
Pharmaceutical Composition
Bending Press
Shearing Machine
Cardiotonic Quinazoline
DC-52 Derivatives
3-Position Halogenated
Beta-Lactam Compound
Tool Holding Apparatus
Enzyme Production Process
30 patents (USPTO):Explore Patents

Title: Innovations of Tadashi Hirata: A Pioneer in Press Technology

Introduction: Tadashi Hirata, an accomplished inventor based in Yokohama, Japan, has made significant contributions to the field of press technology, boasting an impressive portfolio of 30 patents. His innovative designs and engineering prowess have shaped the way punch presses are utilized, enhancing efficiency and functionality in manufacturing processes.

Latest Patents: Among his latest innovations, Tadashi Hirata introduced a unique bending press featuring a die storage section, which is pivotal in optimizing tool management. One of his notable inventions is a punch press equipped with a tool magazine, designed to support multiple tool mounting gondolas. These gondolas are arranged vertically and move in a loop, guided by two endless chains operating around sprocket wheels. This design allows for precise movement without overturning when the sprocket wheels are rotated by a motor. Furthermore, the gondolas come to rest at a designated tool changing location, equipped with a table that simplifies the process of replacing tool assemblies. This table incorporates guides positioned at varying heights, facilitating the horizontal removal of upper and lower die holders from the gondolas.

Career Highlights: Tadashi Hirata has built a robust career in the manufacturing industry, with notable contributions while working at Kyowa Hakko Kogyo Co., Ltd. and Amada Company, Limited. His work has not only advanced existing technologies but has also paved the way for future innovations in the sector.

Collaborations: Throughout his career, Hirata has collaborated with esteemed colleagues, including Yukio Hashimoto and Ikuo Matsukuma. These partnerships have fostered a creative environment conducive to developing groundbreaking projects that continue to influence the industry.

Conclusion: Tadashi Hirata's innovative spirit and dedication to advancing press technology underscore his status as a leading inventor in Japan. With numerous patents to his name, his contributions have significantly impacted manufacturing processes, making him a key figure in the world of engineering. His work exemplifies the essence of creativity and technical expertise, inspiring future generations of inventors.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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