Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5537184 | Real image finder system for a camera | Sachio Hasushita, Kazuhiro Yamada, Ichiro Taguchi, Masahiro Inazuka | 1996-07-16 |
| 5535179 | Magneto-optic disc apparatus with signal detector for detecting recorded signals based on split beams | — | 1996-07-09 |
| 5500849 | Construction of optical disk | — | 1996-03-19 |
| 5485448 | Optical disk mastering apparatus having two data transferring rates for recording and monitoring | Yoshio Kishi, Teruhito Noshiro, Hiroaki Takahashi | 1996-01-16 |
| 5477386 | Optical system for optical disc apparatus including anamorphic prisms | Isao Okuda, Suguru Takishima, Masahiro Oono, Koichi Maruyama | 1995-12-19 |
| 5448355 | System for measuring tilt of image plane of optical system using diffracted light | Takashi Iizuka | 1995-09-05 |
| 5434835 | Optical disk apparatus | Hisashi Konno, Suguru Takishima, Takashi Morita, Toshiyuki Kase, Masahiro Oono +2 more | 1995-07-18 |
| 5432606 | Interferometer for the measurement of surface profile which introduces a spatial carrier by tilting the reference mirror | Masahiro Oono | 1995-07-11 |
| 5402269 | Compound prism | Masahiro Oono, Koichi Maruyama, Makoto Iki, Hitoshi Kimura, Masahiko Sasaki | 1995-03-28 |
| 5379105 | Roof surface measuring apparatus | Makoto Iki, Hirofumi Matsuo, Masahiro Oono | 1995-01-03 |
| 5365504 | Optical disk apparatus, and construction of optical disk | — | 1994-11-15 |
| 5309423 | Magneto-optical reproducing device with optical system having two reflective elements and providing phase difference cancellation | Isao Okuda, Suguru Takishima | 1994-05-03 |
| 5278401 | Optical disc apparatus having five light receiving areas for detecting focus error and tracking error | Suguru Takishima, Isao Okuda, Masahiro Oono, Koichi Maruyama | 1994-01-11 |
| 5257092 | Apparatus for measuring polarization and birefringence | Tsuyoshi Ishikawa | 1993-10-26 |
| 5243542 | Interferometer employing reference images | — | 1993-09-07 |
| 5223983 | Compound prism including interfaces with curvatures of the order of a laser wave length | Masahiro Oono, Koichi Maruyama, Makoto Iki, Hitoshi Kimura, Masahiko Sasaki | 1993-06-29 |
| 5193028 | Optical system for eliminating ghost image in wide wavelength band | — | 1993-03-09 |
| 4691521 | Supercharger pressure control system for internal combustion engine with turbocharger | Yuji Hirabayashi, Keiji Hatanaka | 1987-09-08 |
| 4679398 | Variable capacity turbocharger control device | Fumio Nishiguchi, Keiji Hatanaka | 1987-07-14 |