Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8415610 | Optical encoder having a single signal track and an optical detecting part with sine and cosine signals | Hajime Nakajima, Takuya Noguchi, Takeshi Musha, Youichi Omura, Tatsuya Nagatani +1 more | 2013-04-09 |
| 7574023 | Fingerprint image pickup device | Emiko Sano, Masahiro Shikai, Akihide Shiratsuki, Takahiro Nakamura | 2009-08-11 |
| 6972402 | Photoelectric rotary encoder | Yoichi Ohmura, Toru Oka, Hajime Nakajima, Hirokazu Sakuma, Takashi Okamuro +2 more | 2005-12-06 |
| 6962239 | Sliding door system with optical detector for safe door opening and closing | Masahiro Shikai, Kazuo Takashima | 2005-11-08 |
| 6631788 | Elevator system with safety installation | Masahiro Shikai, Hajime Nakajima, Kazuo Takashima, Tatsushi Takahashi, Shigeki Yamakawa +4 more | 2003-10-14 |
| 6351312 | Interference-type distance measuring device | Hirokazu Sakuma, Takashi Okamuro, Yoshimitsu Sato, Hajime Nakajima | 2002-02-26 |
| 6054938 | Optical encoder | Hajime Nakajima, Masahiro Shikai, Toru Oka, Kazuo Takashima | 2000-04-25 |