Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11918372 | Cognitive function evaluation system, method, and storage medium for dementia by analyzing voice of evaluatee for recognition, remembering or jugment capabilities | Sadayuki SUMI, Ryosuke NAGUMO, Kengo ABE, Yoshihiro Matsumura, Takashi Nishiyama +4 more | 2024-03-05 |
| 11826161 | Cognitive function evaluation device, cognitive function evaluation system, cognitive function evaluation method, and non-transitory computer-readable storage medium | Sadayuki SUMI, Ryosuke NAGUMO, Kengo ABE, Yoshihiro Matsumura, Takashi Nishiyama +4 more | 2023-11-28 |
| 7012721 | Optical imaging system with rod lens array | Shigeo Kittaka | 2006-03-14 |
| 6891558 | Optical write-in head, image forming apparatus using the same, and method for inspecting the apparatus | Shuya Ogi, Tomitaka Takagi, Koichiro Iki | 2005-05-10 |
| 6856463 | Image transfer device having laminated lens array sheets | — | 2005-02-15 |
| 6776537 | Light source-optical fiber coupler | — | 2004-08-17 |
| 6597512 | Rod lens array for line scanning | — | 2003-07-22 |
| 6563104 | Image forming apparatus | Shuya Ogi, Koichiro Iki | 2003-05-13 |
| 6519091 | Imaging optical element | — | 2003-02-11 |
| 6469837 | Imaging optical apparatus | — | 2002-10-22 |
| 6031668 | Optical imaging system | Shigeo Kittaka, Atsushi Akiba | 2000-02-29 |
| 5139557 | Method of performing an ion exchange of optical glass | Shigeo Kittaka, Hiroshi Koshi, Yoshikazu Kaite, Noboru Akazawa | 1992-08-18 |
| 4744620 | Optical coupler | Hiroshi Ueno, Hisami Nishi | 1988-05-17 |
| 4693565 | Collimator lens | Hiroyuki Ichikawa | 1987-09-15 |
| 4668053 | Collimator lens | Hisami Nishi | 1987-05-26 |
| 4668055 | Lens for an optical recording/reproducing apparatus and optical recording/reproducing apparatus using same | Hisami Nishi | 1987-05-26 |
| 4643535 | Optical information recording/reproducing element | Hiroyuki Ichikawa, Hisami Nishi | 1987-02-17 |