Ibaraki, Japan

Tetsuo Kumazawa

This inventor holds 19 USPTO granted patents, primarily in Semiconductor Technology. Top assignees: Hitachi, Ltd., Hitachi Chemical Company, Ltd., Fuji Fiber Glass Co., Ltd.. Active years: 1981-2007.

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

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

Calculating rank

% Patents Active = 89.5

Average Co-Inventor Count = 6.0

ph-index = 9

Forward Citations = 655(Granted Patents)


Location History:

  • Dejimamura, JP (1982)
  • Ibaraki, JP (1981 - 1997)
  • Ibaraki-ken, JP (1996 - 2007)

Company Filing History:


Years Active: 1981-2007

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Areas of Expertise:
Semiconductor Device
Optical Coupling
Electronic Component
Manufacturing Method
Lead Frame
Burn-In Test
Probe Test
Opto-Electronic Device
Composite Fibrous Product
Laminates
Direct-Heated Cathode
Mask Support
19 patents (USPTO):Explore Patents

Title: Tetsuo Kumazawa: Pioneering Innovations in Semiconductor Devices

Introduction:

Tetsuo Kumazawa, a visionary inventor hailing from Ibaraki-ken, Japan, has made a significant mark in the world of technology with his relentless pursuit of innovation and commitment to pushing the boundaries of what is deemed possible. His work not only showcases his immense talent but also serves as an inspiration for future generations to think creatively and strive for excellence in all their endeavors.

Latest Patents:

One of Kumazawa's latest patents involves a groundbreaking semiconductor device and its manufacturing method. By incorporating a probe test step and a burn-in test step, he has managed to ensure that the dispersion of load remains within an allowable range even when multiple probes in a large area are pressed in batch. This innovation significantly enhances the reliability and productivity of semiconductor devices by allowing the probing of a large number of integrated circuits simultaneously.

Career Highlights:

Throughout his illustrious career, Kumazawa has amassed an impressive total of 19 patents, showcasing his dedication to innovation in the field of technology. He has been instrumental in revolutionizing semiconductor device manufacturing processes, thus solidifying his reputation as a true pioneer in the industry.

Collaborations:

Kumazawa's innovative spirit has been further amplified through his collaborations with esteemed companies such as Hitachi, Ltd. and Hitachi Chemical Company, Ltd. Working alongside talented individuals like Makoto Kitano and Ryuji Kohno, he has been able to synergize his vision with the expertise of his peers, resulting in groundbreaking advancements in the realm of technology.

Conclusion:

In conclusion, Tetsuo Kumazawa's contributions to the world of technology are nothing short of remarkable. His unwavering dedication to innovation and his ability to push the boundaries of what is achievable have cemented his status as a true visionary in the realm of inventors. As his work continues to inspire future generations, one can only wonder what groundbreaking inventions he will unveil next.

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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