Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623824 | Air-fuel ratio control system for internal combustion engine | Tsutomu Kikuchi | 1997-04-29 |
| 5050083 | System and method for controlling air/fuel mixture ratio for internal combustion engine | Masaaki Uchida, Hideki Uema, Kunifumi Sawamoto, Toyaki Nakagawa, Naoki Nakada | 1991-09-17 |
| 4786476 | Gas sensor element using porously fired mass of titania | Fumio Munakata, Masayuki Touda, Masaaki Uchida | 1988-11-22 |
| 4772376 | Air/fuel ratio sensor having oxygen sensor cell and oxygen pump cell | Masayuki Touda, Shinji Kimura, Fumio Munakata, Satoru Ichikawa | 1988-09-20 |