Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666804 | Secondary air supplying apparatus for internal combustion engine and air heating apparatus thereof | Mutuo Sekiya, Satoshi Asada, Hidetoshi Okada | 1997-09-16 |
| 5601112 | Check valve | Mutsuo Sekiya, Hirofumi Doi, Masashi Wakisaka | 1997-02-11 |