Misato, Japan

Tsutomu Koike

This inventor holds 2 USPTO granted patents. Top assignees: M.h. Center Limited, Hitachi Powdered Metals Co., Ltd., Hitachi, Ltd.. Active years: 1987-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Koike. Retrieved from https://idiyas.com/inventor/tsutomu-koike-xtnfgd2x

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 2

Forward Citations = 25(Granted Patents)


Location History:

  • Ibaraki, JP (1987)
  • Misato, JP (1990)

Company Filing History:


Years Active: 1987-1990

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2 patents (USPTO):Explore Patents

Title: Tsutomu Koike: Innovator in Gear Manufacturing

Introduction

Tsutomu Koike is a notable inventor based in Misato, Japan. He has made significant contributions to the field of gear manufacturing, particularly through his innovative methods and apparatuses for forming helical internal gears. With a total of two patents to his name, Koike's work exemplifies the intersection of creativity and engineering.

Latest Patents

Koike's latest patents include a method and apparatus for plastically forming helical internal gears. This invention focuses on extruding helical internal gears and helical gears by pushing materials processed into a die unit using a punch. The design features a die unit that includes an outer contour restraining container and a die that is circumferentially rotatable relative to each other. Additionally, he has developed an apparatus for forming metallic articles by cold extrusion, which involves the plastic deformation of metallic blanks into annular or cylindrical articles.

Career Highlights

Throughout his career, Tsutomu Koike has worked with several companies, including M.H. Center Limited and Hitachi Powdered Metals Co., Ltd. His experience in these organizations has contributed to his expertise in the field of metalworking and gear manufacturing.

Collaborations

Koike has collaborated with notable coworkers such as Hisanobu Kanamaru and Susumu Aoyama. Their collective efforts have likely enhanced the innovation and development of new technologies in their respective fields.

Conclusion

Tsutomu Koike's contributions to the field of gear manufacturing through his patents and career experiences highlight his role as an influential inventor. His innovative methods continue to impact the industry, showcasing the importance of creativity in engineering.

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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