Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5065174 | Developing machine for photosensitive films and developing method for photosensitive films | Norio Yabe, Takeshi Iijima, Masahide Takano | 1991-11-12 |
| 4200596 | Throttle valve apparatus in an internal combustion engine and its method of operation | Masahiko Iiyama | 1980-04-29 |