Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4391497 | Aperture stop for microscope condensers | Michio Imada | 1983-07-05 |
| 4297028 | Multi-item data input apparatus | Yashiro Seki, Hideo Kobayashi, Kiyoshi Kimura | 1981-10-27 |