Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650642 | Field effect semiconductor device | Minoru Sawada, Shigeharu Matsushita, Satoshi Terada, Emi Fujii | 1997-07-22 |
| 5614814 | Negative voltage genarating circuit | Masao Nishida, Takayoshi Higashino | 1997-03-25 |