Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4633706 | System for measuring amount of particulates exhausted from vehicle engine | Seitoku Ito, Shigeo Iwashita, Sigeru Kamiya, Hiroshi Noguchi | 1987-01-06 |
| 4361028 | System for measuring particulate discharge from vehicular internal combustion engine | Sigeru Kamiya, Junji Wakayama, Nobutoshi Hayashi, Hiroshi Noguchi, Kenichi Uchida | 1982-11-30 |