Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8573790 | Light absorbing optical element having micro-relief structure | Kiyoshi Kadomatsu, Yasutoshi Takada, Yoshiro TANI | 2013-11-05 |
| 7704402 | Optical element manufacturing method, optical element, Nipkow disk, confocal optical system and 3-D measurement device | Kiyoshi Kadomatsu, Noboru Amemiya | 2010-04-27 |
| 6734515 | Semiconductor light receiving element | Kazuyuki Tadatomo, Hiroaki Okagawa, Youichiro Ohuchi, Masahiro Koto, Kazumasa Hiramatsu +1 more | 2004-05-11 |