Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11489990 | Optical element, optical system, and imaging apparatus | Koji Miyasaka | 2022-11-01 |
| 8343619 | Optical waveguide film | Wataru Gouda, Shunichi Osada | 2013-01-01 |
| 7585776 | Dry etching method of insulating film | Nobuyuki Negishi, Masahiro Sumiya | 2009-09-08 |
| 7354525 | Specimen surface processing apparatus and surface processing method | Yoshiyuki Ohta, Tsuyoshi Yoshida, Hironobu Kawahara | 2008-04-08 |
| 6960533 | Method of processing a sample surface having a masking material and an anti-reflective film using a plasma | Koichi Nakaune | 2005-11-01 |