Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7195516 | Battery housing structure and portable electronic apparatus | — | 2007-03-27 |
| 6452627 | Calibration pattern display system, and a system and method for calibrating a display characteristic measurement apparatus | Kenji Hamaguri, Teruo Ichikawa | 2002-09-17 |
| 6008619 | Motor drive apparatus and motor driving method capable of simply reducing rotating speed in PWM mode | Makoto Murase, Toshio Tsubota, Tatsuo Nishizawa | 1999-12-28 |
| 5440340 | Device for measuring characteristics of a color cathode ray tube | Katsutoshi Tsurutani, Shinji Shimizu, Teruo Ichikawa, Mitsuo Washino, Yoshiiku Kikukawa | 1995-08-08 |