Tokyo, Japan

Osamu Kamisawa

This inventor holds 2 USPTO granted patents. Top assignee: Citizen Watch Company, Ltd.. Active years: 1980-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Kamisawa. Retrieved from https://idiyas.com/inventor/osamu-kamisawa

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 = 2.0

ph-index = 2

Forward Citations = 7(Granted Patents)


Location History:

  • Tanashi, JP (1980)
  • Tokyo, JP (2001)

Company Filing History:


Years Active: 1980-2001

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2 patents (USPTO):Explore Patents

Title: Osamu Kamisawa: Innovator in Electronic Timepieces

Introduction

Osamu Kamisawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electronic timepieces, holding a total of 2 patents. His innovative designs reflect a blend of functionality and advanced technology.

Latest Patents

Kamisawa's latest patents include an electronic watch equipped with a solar cell and an electronic digital timepiece featuring a stopwatch function and a timer. The electronic watch is designed with a case body that houses a movement and a light transmitting digital display. A solar cell unit is strategically placed to harness light from the outside, ensuring the watch remains powered. The second patent describes a digital timepiece that incorporates standard timekeeping, stopwatch, and timer functions, with a unique display section that indicates the day of the week and operational modes.

Career Highlights

Osamu Kamisawa is currently associated with Citizen Watch Company, Ltd., a leading manufacturer in the watch industry. His work has contributed to the advancement of electronic timekeeping technology, enhancing user experience through innovative features.

Collaborations

Kamisawa has collaborated with notable coworkers, including Katsuhiko Komiyama and Masao Mafune. Their combined expertise has fostered a creative environment that encourages innovation in watch design.

Conclusion

Osamu Kamisawa's contributions to electronic timepieces exemplify his commitment to innovation and technology. His patents reflect a forward-thinking approach that continues to influence the industry.

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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