Shinichi Sugiyama

This inventor holds 6 USPTO granted patents. Top assignees: Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha. Active years: 1979-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinichi Sugiyama. Retrieved from https://idiyas.com/inventor/shinichi-sugiyama-e14l2kxe

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 6

Forward Citations = 108(Granted Patents)

Company Filing History:

4 out of 1,838

Toyota Jidosha Kogyo Kabushiki Kaisha

patents

2 out of 38,970

Toyota Jidosha Kabushiki Kaisha

patents

Years Active: 1979-1985

Loading Chart...

6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4491921 - Method and apparatus for controlling the air fuel ratio in an internal (1985-01-01),

2. 4481928 - L-Jetronic fuel injected engine control device and method smoothing air (1984-11-13),

3. 4459669 - Method and apparatus for controlling the air-fuel ratio in an internal (1984-07-10),

4. 4458319 - Method and apparatus for controlling the air-fuel ratio in an internal (1984-07-03),

5. 4388906 - Fuel injected engine control device and method performing wall-adhered (1983-06-21),

6. 4140611 - Oxygen sensor (1979-02-20),

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]