Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5574598 | Varifocal lens | Tukasa Koumura, Tadashi Hattori | 1996-11-12 |
| 5498868 | Optical data reader capable of quickly changing a condensing position of a light beam | Hideaki Nishikawa, Tukasa Koumura | 1996-03-12 |
| 5397420 | Fine structure forming device | Nobuyoshi Sakakibara, Takayuki Tominaga, Tadashi Hattori, Yoshitaka Gotoh, Naohito Mizuno | 1995-03-14 |
| 5357073 | Electrical discharge machine | Takayuki Tominaga, Tadashi Hattori | 1994-10-18 |
| 4832893 | Method for producing a PLZT compound | Kazunori Suzuki, Masataka Naito, Shinichi Shirasaki | 1989-05-23 |