Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361028 | System for measuring particulate discharge from vehicular internal combustion engine | Sigeru Kamiya, Junji Wakayama, Nobutoshi Hayashi, Hiroshi Noguchi, Kenichi Uchida | 1982-11-30 |