Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4604984 | Air intake side secondary air supply system for an internal combustion engine | Hiroaki Iwasaki | 1986-08-12 |
| 4579099 | Air intake side secondary air supply system for an internal combustion engine | Eiji Kishida, Hiroaki Iwasaki | 1986-04-01 |
| 4567873 | Air intake side secondary air supply system for an internal combustion engine | Eiji Kishida, Hiroaki Iwasaki | 1986-02-04 |
| 4553521 | Intake secondary air supply system for internal combustion engines | Eiji Kishida, Fumio Hara, Shumpei Hasegawa | 1985-11-19 |