Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7059184 | Split-flow-type flow sensor device | Souhei Kanouda, Susumu Takayanagi | 2006-06-13 |
| 6894623 | Display monitor for multi-optical-path photoelectric safety apparatus and multi-optical-path photoelectric safety apparatus including a display monitor | Tetsu Inoue | 2005-05-17 |
| 6239423 | Area sensor with optical axis having narrow angular characteristics | Keisuke Murakami | 2001-05-29 |
| 5159627 | Adaptive ringer for telephone terminal | — | 1992-10-27 |