Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668013 | Digital filter | — | 2003-12-23 |
| 5395510 | Efficient preparation of blackened steel strip | Katsuhei Kikuchi, Sachiko Suzuki, Nobuo Totsuka, Takao Kurisu, Yoshihiro Naruse | 1995-03-07 |
| 4869566 | Optical fiber and electrical plug/jack interconnection device | Hiromi Juso, Shuzo Nishida, Hidenori Minoda | 1989-09-26 |
| 4382158 | Tone control of the operational type | Akihiro Ohshita | 1983-05-03 |