Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7119887 | Optical distance measuring sensor and self-propelled cleaner | Kazuhiro Mizuo, Akifumi Yamaguchi, Atsuo Fujikawa | 2006-10-10 |
| 6844562 | Distance measuring sensor and method for manufacturing the same | Takashi Takaoka | 2005-01-18 |
| 6674988 | Toner misregistration detection sensor, color image-forming apparatus using the same, and method for toner misregistration detection | — | 2004-01-06 |
| 6510297 | Toner density sensor | Noboru Kawai | 2003-01-21 |
| 6300940 | Input device for a computer and the like and input processing method | Kiyoshi Ebina, Takatoshi Mizoguchi, Mitsuo Kobachi, Nobumasa Ono, Akihiro Fujita | 2001-10-09 |
| 5943233 | Input device for a computer and the like and input processing method | Kiyoshi Ebina, Takatoshi Mizoguchi, Mitsuo Kobachi, Nobumasa Ono, Akihiro Fujita | 1999-08-24 |
| 5693933 | Device for dtecting the size of an original document in a document reader | Akira Takasu, Tatsuya Eguchi, Keiichi Okada, Kouichi Furuta | 1997-12-02 |
| 5519483 | Detection system and detection method of document size for use in a document reader | Kouichi Furuta, Keiichi Okada | 1996-05-21 |
| 5488468 | Optical distance measuring apparatus having semiconductor position sensitive photodetector | Kouichi Furuta, Keiichi Okada | 1996-01-30 |