Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490933 | Ultrasonic flow meter with reduced noise | Kiyoshi Koyano, Haitao Pan | 2002-12-10 |
| 6055868 | Ultrasonic flow meter | Kiyoshi Koyano, Tadashi Ikawa, Tokio Sugi | 2000-05-02 |
| 5974897 | Ultrasonic flow meter | Kiyoshi Koyano, Tadashi Ikawa, Tokio Sugi | 1999-11-02 |
| 5055921 | Color reading line sensor | — | 1991-10-08 |
| 4989060 | Solid-state imaging device with pixels having weighted sensitivity distribution | — | 1991-01-29 |