Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698869 | Insulated-gate transistor having narrow-bandgap-source | Makoto Yoshimi, Satoshi Inaba, Mamoru Terauchi, Naoyuki Shigyo, Yoshiaki Matsushita +8 more | 1997-12-16 |
| 5656820 | Ion generation device, ion irradiation device, and method of manufacturing a semiconductor device | Kyoichi Suguro, Tatsuya Hatanaka | 1997-08-12 |
| 5656859 | Semiconductor device | Masao Iwase, Kyoichi Suguro, Mitsuo Koike, Tadayuki Asaishi | 1997-08-12 |
| 5640020 | Ion generation device, ion irradiation device, and method of manufacturing a semiconductor device | Kyoichi Suguro, Tatsuya Hatanaka | 1997-06-17 |
| 5598025 | Semiconductor device comprises an impurity layer having boron ions in the form of clusters of icosahedron structure | Ichiro Mizushima, Masaharu Watanabe, Masahiko Yoshiki | 1997-01-28 |