Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647540 | Automatic observation system for microorganisms and the like | Tateki Ozawa, Hatsuo Yotsumoto | 1987-03-03 |
| 4370301 | Dry deodorizing apparatus | Kunihiro Doi, Kenkoku Azuma | 1983-01-25 |
| 4365979 | Water producing apparatus | Kenkoku Azuma, Akira Ikeda, Toshie Yamamoto, Shigeho Katsurada | 1982-12-28 |
| 4299599 | Water producing apparatus | Kenkoku Azuma, Akira Ikeda, Toshie Yamamoto, Shigeho Katsurada | 1981-11-10 |