Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5138482 | Light modular and recording device employing same | Masami Hatori | 1992-08-11 |
| 5101459 | Optical waveguide grating coupler device | — | 1992-03-31 |
| 5083856 | Waveguide-type acoustooptic device | Masami Hatori | 1992-01-28 |
| 5081615 | Method of coupling external light into an optical waveguide and a guided wave from an optical waveguide and optical pickup employing an optical waveguide | — | 1992-01-14 |
| 4991931 | Method of driving optical wavelength converter module | Akinori Harada, Yoji Okazaki | 1991-02-12 |
| 4945527 | Optical pickup apparatus for detection of focusing error, tracking error, and information | — | 1990-07-31 |
| 4922103 | Radiation image read-out apparatus | Kazuhiro Kawajiri, Nobuharu Nozaki, Yuichi Hosoi, Kenji Takahashi | 1990-05-01 |
| 4885732 | Optical pickup apparatus for detecting and correcting focusing and tracking errors in detected recorded signals | Hiroshi Nishihara, Toshiaki Suhara | 1989-12-05 |
| 4868803 | Magneto-optic pickup head including tracking and focusing error correction | Toshiaki Suhara, Hiroshi Nishihara | 1989-09-19 |
| 4833561 | Pickup apparatus for magneto-optical recording medium | Hiroshi Nishihara, Toshiaki Suhara | 1989-05-23 |
| 4830448 | Light modulator and wave guide device | Yoji Okazaki, Kozi Kamiyama | 1989-05-16 |
| 4816679 | Radiation image read-out apparatus | Kazuhiro Kawajiri, Nobuharu Nozaki, Yuichi Hosoi, Kenji Takahashi | 1989-03-28 |
| 4797867 | Pick-up head for optical information storage disk | Kozi Kamiyama | 1989-01-10 |
| 4758062 | Light beam scanning apparatus, and read-out apparatus and recording apparatus using same | Jin Murayama, Nobuharu Nozaki, Yoji Okazaki, Kozi Kamiyama, Chiaki Goto +1 more | 1988-07-19 |
| 4755415 | Optical shutter array and method for making | Toshio Iijima, Nobuharu Nozaki, Kazuhiro Kawashiri | 1988-07-05 |
| 4738501 | Light beam scanning apparatus, and read-out apparatus and recording apparatus using same | Nobuharu Nozaki, Jin Murayama, Yoji Okazaki, Toshio Iijima | 1988-04-19 |
| 4631407 | Radiation image information read-out system | Kazuhiro Kawajiri, Nobuharu Nozaki, Yuichi Hosoi, Kenji Takahashi | 1986-12-23 |
| 4582769 | Electrophotographic element with amorphous Si(C) overlayer | Keishiro Kido, Kazuhiro Kawajiri, Hiroshi Tamura, Mitsuo Saito | 1986-04-15 |
| 4559289 | Electrophotographic light-sensitive material | Kazuhiro Kawajiri, Keishiro Kido, Toshio Iijima, Nobuharu Nozaki | 1985-12-17 |
| 4555464 | Amorphous silicon electrophotographic photosensitive materials | Keishiro Kido, Kazuhiro Kawajiri, Toshio Iijima, Nobuharu Nozaki | 1985-11-26 |
| 4430405 | Xeroradiographic material and method of making same | Yoshihiro Ono | 1984-02-07 |