Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5406543 | Optical head with semiconductor laser | Takeshi Yamazaki, Masato Miyata | 1995-04-11 |
| 4971445 | Fine surface profile measuring apparatus | Eiichi Sato, Kiyozo Koshiishi, Sadao Shigetomi, Syunpei Tanaka, Makoto Yoshinaga +6 more | 1990-11-20 |
| 4819220 | Optical information recording and reproducing apparatus | Tasuhiro Miyazaki, Hiroo Okada, Toshio Tsurukawa | 1989-04-04 |
| 4726685 | Optical measuring device for detecting surface characteristics of object | Kenichi Ito | 1988-02-23 |