Keigo Kato

This inventor holds 8 USPTO granted patents. Top assignees: Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha. Active years: 1979-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keigo Kato. Retrieved from https://idiyas.com/inventor/keigo-kato

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 4

Forward Citations = 48(Granted Patents)

Company Filing History:

5 out of 1,838

Toyota Jidosha Kogyo Kabushiki Kaisha

patents

3 out of 38,912

Toyota Jidosha Kabushiki Kaisha

patents

Years Active: 1979-1984

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4425899 - Intake heating device of an internal combustion engine (1984-01-17),

2. 4416242 - Intake heating apparatus of an internal combustion engine (1983-11-22),

3. 4407254 - Intake heating apparatus of an internal combustion engine (1983-10-04),

4. 4399796 - Intake heating device of an internal combustion engine (1983-08-23),

5. 4398522 - Intake heating device of an internal combustion engine (1983-08-16),

6. 4279323 - Power steering device for wheeled vehicles (1981-07-21),

7. 4188785 - Fluid coupling (1980-02-19),

8. 4158351 - Flow control valve for an exhaust gas recirculation apparatus of an (1979-06-19),

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]