Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7599128 | Imaging lens | Koichi Murata | 2009-10-06 |
| 7283452 | Objective lens having two aspheric surfaces and a phase shifter and optical device including the same | — | 2007-10-16 |
| 6556534 | Objective lens and optical device | — | 2003-04-29 |
| 6285645 | Optical device | — | 2001-09-04 |
| 6097691 | Optical device for recording or reading data to an optical disk | — | 2000-08-01 |
| 5835473 | Optical pick-up, optical data recording apparatus and objective lens for optical data recording material | Nobuyasu Ikutame | 1998-11-10 |
| 5475512 | Head-up display and a combiner used to control diffraction of light including a hologram with a half width between 200-400 nm | Norihito Nakazawa, Shoichi Takeuchi, Yuji Aizawa | 1995-12-12 |
| 5042938 | Apparatus for measuring length of visual line length, depth of anterior chamber, thickness of crystal lens, etc. | — | 1991-08-27 |
| 4986653 | Light wave range finder | Takashi Yokokura, Nobuo Hori, Satoru Niimura | 1991-01-22 |
| 4973153 | Method and apparatus for finding range | Takashi Yokokura, Nobuo Hori, Satoru Niimura | 1990-11-27 |
| 4941744 | Integrated-photocircuit interferometer | Takashi Yokokura, Nobuo Hori, Satoru Niimura | 1990-07-17 |
| 4909629 | Light interferometer | Takashi Yokokura, Nobuo Hori, Satoru Niimura | 1990-03-20 |
| 4838693 | Method and apparatus for setting a gap between first and second objects to a predetermined distance | Norio Uchida, Yoriyuki Ishibashi, Ryoichi Hirano, Masayuki Masuyama | 1989-06-13 |
| 4811062 | Method for aligning first and second objects relative to each other and apparatus for practicing this method | Mitsuo Tabata, Toru Tojo | 1989-03-07 |