logo

For the Inventor, By the Inventor

Katsuta, Japan

Shigeo Tohyama

This inventor holds 9 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1980-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeo Tohyama. Retrieved from https://idiyas.com/inventor/shigeo-tohyama

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 = 1.9

ph-index = 6

Forward Citations = 65(Granted Patents)


Company Filing History:

goldMedal9 out of 42,726 
 
Hitachi, Ltd.
 patents

Years Active: 1980-1989

Loading Chart...
9 patents (USPTO):Explore Patents
1. 4810089 - Photoelastic effect measuring device (1989-03-07),
2. 4786802 - Apparatus for measuring photoelasticity (1988-11-22),
3. 4566793 - Recording apparatus for a spectrophotometer (1986-01-28),
4. 4352561 - Calibrating apparatus in a monochromator (1982-10-05),
5. 4325634 - Slit width calibrator for monochromator (1982-04-20),
6. 4323309 - Spectro-photometer with arithmetic and control unit (1982-04-06),
7. 4304490 - Spectrophotometer (1981-12-08),
8. 4283732 - Recording system with inter-line space positioning means (1981-08-11),
9. 4227811 - Spectrophotometer (1980-10-14),

Title: The Innovative Journey of Shigeo Tohyama

Introduction: Shigeo Tohyama, a pioneering inventor hailing from Katsuta, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Shigeo Tohyama's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power generation and energy storage solutions.

Career Highlights: With a career spanning over two decades, Shigeo Tohyama has established himself as a leading figure in the renewable energy sector, holding multiple patents that have revolutionized the industry.

Collaborations: Throughout his career, Shigeo Tohyama has collaborated with top research institutions and leading companies in the energy sector to further develop and implement his innovative technologies.

Conclusion: Shigeo Tohyama's relentless pursuit of innovation and his commitment to creating sustainable solutions have solidified his reputation as a visionary inventor in the field of renewable energy.

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…