logo

For the Inventor, By the Inventor

Tokyo, Japan

Seijiro Tokutomi

This inventor holds 18 USPTO granted patents. Top assignees: Asahi Kogaku Kogyo Kabushiki Kaisha, Asahi Kogaku Kogyo K.k.. Active years: 1976-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seijiro Tokutomi. Retrieved from https://idiyas.com/inventor/seijiro-tokutomi

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

USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 6

Forward Citations = 164(Granted Patents)


Location History:

  • Kawagoe, JA (1976)
  • Tokyo, JA (1978)
  • Tokyo, JP (1979 - 1986)

Company Filing History:

goldMedal17 out of 3,132 
 
Asahi Kogaku Kogyo Kabushiki Kaisha
 patents
silverMedal1 out of 176 
 
Asahi Kogaku Kogyo K.k.
 patents

Years Active: 1976-1986

Loading Chart...
18 patents (USPTO):Explore Patents
1. 4600830 - Focus detecting device (1986-07-15),
2. 4580042 - Focusing position detecting device using a sector shaped mirror (1986-04-01),
3. 4408853 - Focus detecting device (1983-10-11),
4. 4384770 - Focus detecting device (1983-05-24),
5. 4313657 - Display device for focus detecting and indicating device for camera (1982-02-02),
6. 4293206 - Electrically operated automatic focalizing camera (1981-10-06),
7. 4293205 - Camera focus detecting device (1981-10-06),
8. 4265520 - Focus detecting device in single lens reflex camera (1981-05-05),
9. 4258989 - Focus detecting device (1981-03-31),
10. 4253751 - Camera focus detecting device (1981-03-03),
11. 4244643 - Manual setting device in digital type electrical control camera (1981-01-13),
12. 4230401 - Camera focus detecting device (1980-10-28),
13. 4192589 - Abnormal operation warning apparatus for a camera (1980-03-11),
14. 4180309 - Focal point detecting device for SLR camera (1979-12-25),
15. 4172645 - Dual purpose finder display for single lens reflex camera (1979-10-30),

Title: Seijiro Tokutomi: Pioneering Inventor from Tokyo

Introduction: Seijiro Tokutomi is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Seijiro Tokutomi holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: Throughout his illustrious career, Seijiro Tokutomi has worked with leading research institutions and tech companies, spearheading projects that have revolutionized the way we interact with technology on a daily basis.

Collaborations: Seijiro Tokutomi has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and creativity that has led to the development of cutting-edge products and solutions.

Conclusion: Seijiro Tokutomi's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazer in the world of technology, inspiring future generations of inventors 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]
Loading…