Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6115175 | UV image forming optical system | Koichi Maruyama, Makoto Iwaki, Syunitirou Wakamiya, Hiroshi Suganuma, Minoru Takeda | 2000-09-05 |
| 5936761 | Wavelength conversion apparatus | Hisashi Masuda, Werner Wiechmann | 1999-08-10 |
| 5916788 | Genetic recombination laser apparatus and genetic recombination method using the apparatus | Werner Wiechmann, Ling-Yi Liu | 1999-06-29 |
| 5852508 | Lens device, ultraviolet-ray emitting device, and optical disc recording device | Naoya Eguchi | 1998-12-22 |
| 5822287 | Optical recording method, optical recording apparatus and optical recording medium | Michio Oka | 1998-10-13 |
| 5742437 | Optical pickup device | Naoya Eguchi | 1998-04-21 |
| 5696581 | Lens evaluating device | Michio Oka | 1997-12-09 |
| 5638168 | Lens evaluating device | Michio Oka | 1997-06-10 |
| 5523996 | Laser light modulation method and apparatus for recording digital audio signals on cinefilm | Atsuhi Fukumoto, Hiroshi Suganuma | 1996-06-04 |
| 5505778 | Surface treating apparatus, surface treating method and semiconductor device manufacturing method | Tetsuo Ono, Susumu Hiraoka, Sakae Saito, Kunio Harada, Mituhiro Tachibana +1 more | 1996-04-09 |
| 5473409 | Semiconductor light exposure device | Minoru Takeda, Michio Oka, Tohru Ogawa | 1995-12-05 |
| 5376993 | Optical axis correction lens device | Michio Oka | 1994-12-27 |
| 5370076 | Method of producing single crystal of KTiOPO.sub.4 | Tsutomu Okamoto, Koji Watanabe, Tatsuo Fukui, Yasushi Minoya, Koichi Tatsuki | 1994-12-06 |
| 5313449 | Optical recording medium and method of optically playing back same including recording medium structure operating as optical resonators emitting applied pumping light at a variable frequency | Yushi Kaneda, Hisashi Masuda | 1994-05-17 |
| 5202893 | End pumped solid-state laser | Yushi Kaneda | 1993-04-13 |
| 5162949 | Lens for an optical disc recording and/or reproducing apparatus | — | 1992-11-10 |
| 5093838 | Laser apparatus | — | 1992-03-03 |
| 4715054 | Plasma x-ray source | Yasuo Kato, Kunio Harada, Yoshio Watanabe, Seiichi Murayama | 1987-12-22 |
| 4631397 | Focussing error detecting apparatus employing a composite lens | Kiyoshi Ohsato | 1986-12-23 |
| 4607164 | Radiation detecting apparatus | Minoru Yoshida, Toshio Takahashi, Hideki Kohno, Takayuki Hayakawa, Sadao Matuoka +2 more | 1986-08-19 |
| 4592038 | Optical reproducing apparatus | Kenji Shintani | 1986-05-27 |
| 4577941 | Optical apparatus | — | 1986-03-25 |
| 4501493 | Apparatus for detecting a position of an optical pickup | — | 1985-02-26 |
| 4289400 | Apparatus for measuring a gradient of a surface | Tadao Ishihara, Masahiro Kikuchi | 1981-09-15 |
| 4250467 | Gas laser | Asao Kurousu, Shozaburo Hayakawa | 1981-02-10 |