Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11833721 | Resin molding, printer, and method for manufacturing resin molding | Kosuke Saito, Kei Oikawa | 2023-12-05 |
| 11624862 | Optical element, spectroscopic apparatus, and method for manufacturing the same | Masatsugu Koyama, Yukinobu Okura | 2023-04-11 |
| 11485052 | Resin product, method of making resin product, interchangeable lens, and optical device | Toshimitsu Nagoya, Makoto Kojima, Kei Oikawa, Takashi Endo, Osamu Morisaki | 2022-11-01 |
| 9557451 | Diffusing plate having microlens array | Masatsugu Koyama, Makoto Kojima, Yukinobu Okura, Masato Tanaka | 2017-01-31 |