Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4681825 | Electrophotosensitive member having an amorphous silicon-germanium layer | Izumi Osawa, Toshiya Natsuhara | 1987-07-21 |
| 4659639 | Photosensitive member with an amorphous silicon-containing insulating layer | Hiroshi Mizuno, Shuji Iino, Izumi Osawa | 1987-04-21 |
| 4576127 | Valve timing control device for an internal combustion engine | Takashi Mihashi, Shoichiro Yokota | 1986-03-18 |