Issued Patents All Time
Showing 26–50 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6204957 | Second harmonic wave-generating element | Takashi Yoshino, Katsuhiro Imai, Minoru Imaeda, Atsushi Onoe, Ayako Yoshida | 2001-03-20 |
| 6163397 | Wavelength converting device and method of fabricating wavelength converting device | Atsushi Onoe, Ayako Yoshida | 2000-12-19 |
| 6149975 | Potassium-containing thin film and process for producing the same | Yuzo Tasaki, Mamoru Satoh, Atsushi Onoe, Ayako Yoshida | 2000-11-21 |
| 5982804 | Non-regrowth distributed feedback ridge semiconductor laser and method of manufacturing the same | Nong Chen, Yoshiaki Watanabe, Koyoshi Takei | 1999-11-09 |
| 5904771 | Method of subliming material in CVD film preparation method | Yuzo Tasaki, Mamoru Sato, Shuji Yoshizawa, Atsushi Onoe, Ayako Yoshida | 1999-05-18 |
| 5722184 | Method for feeding metalorganic gas from solid raw materials in MOCVD and its device | Atsushi Onoe, Hirofumi Kubota | 1998-03-03 |
| 5581396 | Wavelength converting device having an epitaxial waveguide layer | Hirofumi Kubota | 1996-12-03 |
| 5512383 | Wavewength converting element and method of manufacturing the same | Atsushi Onoe | 1996-04-30 |
| 5341449 | Wavelength converting device and its method for manufacturing | — | 1994-08-23 |
| 5337399 | Wavelength conversion element | Hiroyuki Ota | 1994-08-09 |
| 5303224 | Optical pickup, optical information recording carrier and recording and reproducing apparatus thereof | Sota Okamoto | 1994-04-12 |
| 5285274 | Optical waveguide recording medium and apparatus for playing the same | Naohiro Tanno, Teruo Toma | 1994-02-08 |
| 5285508 | Optical wavelength converter | — | 1994-02-08 |
| 5283777 | Three-dimensional optical recording medium and optical information recording apparatus using the same | Naohiro Tanno, Teruo Toma | 1994-02-01 |
| 5278930 | Fiber type wavelength converter | Sota Okamoto | 1994-01-11 |
| 5233582 | Optical waveguide recording medium playing apparatus | Naohiro Tanno, Teruo Toma | 1993-08-03 |
| 5214633 | Optical waveguide recording medium playing apparatus | Naohiro Tanno, Teruo Toma | 1993-05-25 |
| 5197110 | Wavelength converting device having a surrounding resin layer | Sota Okamoto | 1993-03-23 |
| 5191591 | Laser wavelength converter | Sota Okamoto | 1993-03-02 |
| 5189722 | Fiber type wavelength conversion element | — | 1993-02-23 |
| 5182669 | High density optical disk and method of making | Kiyoshi Takei | 1993-01-26 |
| 5173962 | Optical wavelength conversion device with high alignment accuracy | Sota Okamoto | 1992-12-22 |
| 5172366 | Optical information reproducing apparatus with selective photodetector output | — | 1992-12-15 |
| 5172369 | Optical pickup, optical information recording carrier and recording and reproducing apparatus thereof | Sota Okamoto | 1992-12-15 |
| 5165004 | Wavelength conversion element | Sota Okamoto | 1992-11-17 |