Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11260480 | Fastening apparatus and fastener pass/fail determining method | Takeshi Eguchi, Takayuki Kitou, Hidenori Sato | 2022-03-01 |
| 6815605 | Silicon single crystal and wafer doped with gallium and method for producing them | Takao Abe, Katsushi Tokunaga, Tetsuya Igarashi, Masafumi Yamaguchi | 2004-11-09 |
| 6313398 | Ga-doped multi-crytsalline silicon, Ga-doped multi-crystalline silicon wafer and method for producing the same | Toru Yamada, Katsushi Tokunaga | 2001-11-06 |
| 5667585 | Method for the preparation of wire-formed silicon crystal | Tsuguo Fukuda, Susumu Sakaguchi, Tadashi Kamioka, Toru Yamada | 1997-09-16 |
| 5431741 | Silicon solar cell | Susumu Sakaguchi, Toru Yamada, Tadashi Kamioka | 1995-07-11 |