Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6378298 | Exhaust purifying apparatus and method for internal combustion engine | Kenji Harima, Takaaki Itou, Hiroki Ichinose, Kenji Katoh, Hiroshi Tanaka | 2002-04-30 |
| 5677838 | Faulty operation prevention circuit of a computer | Kiyotaka Sugiura, Toshihisa Nakano, Masaki Itou, Takashi Noguchi | 1997-10-14 |
| 4513841 | Muffler for internal combustion engines | Koji Shimoji, Suekiti Hangeisi | 1985-04-30 |