Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11624862 | Optical element, spectroscopic apparatus, and method for manufacturing the same | Yukiya Enokida, Masatsugu Koyama | 2023-04-11 |
| 10942303 | Method of manufacturing a member, optical member and optical element | Masato Tanaka, Makoto Kojima, Tomonao Nakayasu | 2021-03-09 |
| 10203437 | Method of manufacturing a member, optical member and optical element | Masato Tanaka, Makoto Kojima, Tomonao Nakayasu | 2019-02-12 |
| 9557451 | Diffusing plate having microlens array | Masatsugu Koyama, Makoto Kojima, Yukiya Enokida, Masato Tanaka | 2017-01-31 |
| 9442345 | Camera having a display member | Kosuke Saito | 2016-09-13 |
| 9201179 | Method of manufacturing blazed diffractive grating and method of manufacturing mold for manufacturing blazed diffractive grating | Takashi Sukegawa | 2015-12-01 |
| 8774247 | Echelle diffraction grating, excimer laser, manufacturing method of Echelle diffraction grating, and ArF excimer laser | Takashi Sukegawa, Tsuyoshi Kitamura | 2014-07-08 |