Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5768023 | Optical apparatus | Ippei Sawaki, Yoshiro Ishikawa, Fumitaka Abe | 1998-06-16 |
| 5648874 | Optical apparatus | Ippei Sawaki, Yoshiro Ishikawa, Fumitaka Abe | 1997-07-15 |
| 5380410 | Process for fabricating an optical device for generating a second harmonic optical beam | Ippei Sawaki, Sunao Kurimura | 1995-01-10 |
| 5278813 | Optical recording/reproducing apparatus with light beam deflection means including wedge-shaped prism | Kunikazu Ohnishi, Tohru Sasaki, Masayuki Inoue, Akira Saito, Kazuo Shigematsu | 1994-01-11 |
| 5249191 | Waveguide type second-harmonic generation element and method of producing the same | Ippei Sawaki, Sunao Kurimura | 1993-09-28 |
| 4937801 | Magneto-optical recording and reproducing apparatus with magnetic field controller | Kichizaemon Okazaki, Yasuo Otsuka | 1990-06-26 |