Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12285158 | Intraoral measurement device | Takashi Kurosawa, Yoshihiro Inagaki, Mohdmakhtar Nurnabila | 2025-04-29 |
| 11215938 | Optical writing device | Ryo Hasegawa, Takahiro Matsuo, Hajime Taniguchi | 2022-01-04 |
| 11150590 | Exposure device and image forming apparatus | Takahiro Matsuo, Hajime Taniguchi, Ryo Hasegawa | 2021-10-19 |
| 10689289 | Optical glass, preform, and optical element | Ken KIKKAWA | 2020-06-23 |
| 10642184 | Optical writing device and image forming apparatus | Takahiro Matsuo, Masahiko Takahashi | 2020-05-05 |
| 10534298 | Displacement sensor and image forming device having the same | Masahiko Takahashi, Makoto Ooki, Wataru Senoo, Hidenari Tachibe, Hajime Taniguchi +2 more | 2020-01-14 |
| 10370289 | Optical glass, preform, and optical element | Ken KIKKAWA | 2019-08-06 |
| 10189740 | Optical glass, preform, and optical element | Ken KIKKAWA | 2019-01-29 |
| 9199760 | Flat bottle | Hiroki Oguchi, Tetsuo Takahashi | 2015-12-01 |
| 8273672 | Optical glass | Jie Fu, Michiko Ogino | 2012-09-25 |
| 8058196 | Optical glass | Jie Fu, Michiko Ogino | 2011-11-15 |
| 7940440 | Laser scanning device and image forming apparatus | Hideaki Kusano, Katsuhiro Nanba | 2011-05-10 |
| 7867934 | Optical glass | — | 2011-01-11 |
| 5836822 | Constant velocity universal joint | Satoru Kudo, Shouichi Nakao, Takeshi Kayano, Tsutomu Kawakatsu | 1998-11-17 |
| 5791995 | Constant velocity universal joint | Satoru Kudo, Shouichi Nakao, Tsutomu Kawakatsu, Takeshi Kayano | 1998-08-11 |