Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8229628 | Electric steering lock device | Hiroaki Sakakura, Kazuhisa Yabumoto | 2012-07-24 |
| 5967489 | Fluid control apparatus | Masahiko Nakazawa, Michio Yamaji, Hisashi Tanaka | 1999-10-19 |
| 5701988 | Coin-operated locker | — | 1997-12-30 |
| 5398725 | Flow control device | Masahiko Nakazawa | 1995-03-21 |
| 5189273 | Microwave absorbing heater | Takao Inukai, Kanichi Tachibana, Toshitaka Fujikawa, Keiichi Iida, Noboru Kogure | 1993-02-23 |
| 4804164 | Flow control device | Masahiko Nakazawa, Kazunori Suzuki | 1989-02-14 |
| 4562437 | Digital loop filter | Shunroku Sasaki, Yoshiharu Kanzaki, Yoshikazu Hori | 1985-12-31 |
| 4496951 | Hyperbolic navigation receiver | Yoshiharu Kanzaki, Yoshikazu Hori | 1985-01-29 |