Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7492459 | Optical droplet sensor and method | Hiroshi Takata, Kiyomitsu Ishikawa | 2009-02-17 |
| 5808606 | Optical coordinate input apparatus | Tomoaki Kodama, Kazuyoshi Hibiya | 1998-09-15 |
| 5001442 | Oscillation control apparatus for ultrasonic oscillator | Tsugitaka Hanaie, Kunio Iwaki | 1991-03-19 |