Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4956208 | Manufacture of a quartz glass vessel for the growth of single crystal semiconductor | Akira Uchikawa, Atsushi Iwasaki, Mitsuo Matsumura, Hiroshi Matsui, Yasuhiko Sato +4 more | 1990-09-11 |
| 4935046 | Manufacture of a quartz glass vessel for the growth of single crystal semiconductor | Akira Uchikawa, Atsushi Iwasaki, Mitsuo Matsumura, Hiroshi Matsui, Yasuhiko Sato +4 more | 1990-06-19 |
| 4665921 | High potential generating toothbrush | Akihiko Teranishi | 1987-05-19 |