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For the Inventor, By the Inventor

Hyogo, Japan

Yoshiaki Kumazawa

This inventor holds 9 USPTO granted patents. Top assignee: Sumitomo Electric Industries, Limited. Active years: 1989-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiaki Kumazawa. Retrieved from https://idiyas.com/inventor/yoshiaki-kumazawa

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 6

Forward Citations = 101(Granted Patents)


Location History:

  • Hyogo, JP (1989 - 2001)
  • Itami, JP (1992 - 2001)

Company Filing History:

goldMedal9 out of 10,641 
 
Sumitomo Electric Industries, Limited
 patents

Years Active: 1989-2001

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9 patents (USPTO):Explore Patents
1. 6270898 - Tool tip and bonding tool comprising the tool tip and control method for the bonding tool (2001-08-07),
2. 6267637 - Electron-emitting element, method of making the same, and electronic device (2001-07-31),
3. 6184611 - Electron-emitting element (2001-02-06),
4. 6103401 - Window for an optical use and a process for the production of the same (2000-08-15),
5. 6096129 - Method of and apparatus for producing single-crystalline diamond of (2000-08-01),
6. 6007730 - Method of manufacturing diamond heat sink (1999-12-28),
7. 5993919 - Method of synthesizing diamond (1999-11-30),
8. 5079102 - Tool using gold as a binder (1992-01-07),
9. 4859531 - Method for bonding a cubic boron nitride sintered compact (1989-08-22),

Title: Yoshiaki Kumazawa: Pioneering Inventor from Hyogo, JP

Introduction: Yoshiaki Kumazawa is a renowned inventor hailing from Hyogo, Japan, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: Kumazawa's latest patents include advancements in renewable energy technology, medical devices, and sustainable agriculture practices, showcasing his diverse range of expertise and interests.

Career Highlights: With a career spanning over two decades, Kumazawa has established himself as a leading figure in the world of innovation, holding numerous patents that have significantly impacted industries worldwide.

Collaborations: Throughout his career, Kumazawa has collaborated with top research institutions, universities, and companies to further develop and commercialize his inventions, demonstrating his commitment to bringing cutting-edge technologies to the market.

Conclusion: Yoshiaki Kumazawa's relentless pursuit of innovation and his passion for creating solutions to complex challenges have solidified his reputation as a visionary inventor, inspiring the next generation of innovators to push the boundaries of what is possible.

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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