Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4465967 | Current supply circuit | Michio Tokunaga, Junjiro Kitano, Toshio Hayashi, Kazuo Hamazato | 1984-08-14 |
| 4392069 | Semiconductor switch | Masayoshi Suzuki | 1983-07-05 |
| 4184086 | Semiconductor switch | Masayoshi Suzuki, Tetsuo Ito | 1980-01-15 |