Masahisa Ando

This inventor holds 10 USPTO granted patents. Top assignees: Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha. Active years: 1977-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahisa Ando. Retrieved from https://idiyas.com/inventor/masahisa-ando

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 68(Granted Patents)

Location History:

Aichi, JA (1977)
Aichi, JP (1978 - 1983)

Company Filing History:

8 out of 1,838

Toyota Jidosha Kogyo Kabushiki Kaisha

patents

2 out of 38,912

Toyota Jidosha Kabushiki Kaisha

patents

Years Active: 1977-1983

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4399796 - Intake heating device of an internal combustion engine (1983-08-23),

2. 4398522 - Intake heating device of an internal combustion engine (1983-08-16),

3. 4381698 - Changeover valve unit for power-assisted steering systems (1983-05-03),

4. 4279323 - Power steering device for wheeled vehicles (1981-07-21),

5. 4188785 - Fluid coupling (1980-02-19),

6. 4178666 - Method of assembling a valve device for an exhaust gas recirculation (1979-12-18),

7. 4158351 - Flow control valve for an exhaust gas recirculation apparatus of an (1979-06-19),

8. 4153078 - Composite valve (1979-05-08),

9. 4120480 - Valve device for an exhaust gas recirculation system of an internal (1978-10-17),

10. 4052969 - Exhaust gas recirculation valve device for an internal combustion engine (1977-10-11),

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]