Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7786719 | Optical sensor, optical current sensor and optical voltage sensor | Kiyoshi Kurosawa | 2010-08-31 |
| 7655900 | Intensity modulation type optical sensor and optical current/voltage sensor | Kiyoshi Kurosawa | 2010-02-02 |
| 7589515 | Method for reducing temperature-dependent error in photocurrent sensor, and photocurrent sensor device | Kiyoshi Kurosawa | 2009-09-15 |