Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12210247 | Liquid crystal element and eyeglasses | Sunri LEE, Masanori Ozaki | 2025-01-28 |
| 12204227 | Liquid crystal element | Sunri LEE, Hiroyuki Yoshida, Masanori Ozaki | 2025-01-21 |
| 11899336 | Liquid crystal element | Sunri LEE, Hiroyuki Yoshida, Masanori Ozaki | 2024-02-13 |
| 11860484 | Liquid crystal element | Sunri LEE, Hiroyuki Yoshida, Masanori Ozaki | 2024-01-02 |
| 11762129 | Liquid crystal element, deflection element, and eyeglasses | Hiroyuki Yoshida, Masanori Ozaki | 2023-09-19 |
| 11249224 | Liquid crystal element, deflection element, and eyeglasses | Hiroyuki Yoshida, Masanori Ozaki | 2022-02-15 |
| 10761245 | Liquid crystal element, deflection element, and eyeglasses | Hiroyuki Yoshida, Masanori Ozaki | 2020-09-01 |
| 10598961 | Glasses | Sunri LEE, Yumi Atobe | 2020-03-24 |
| 10095081 | Liquid crystal element, deflection element, liquid crystal module, and electronic device | Hiroyuki Yoshida, Masanori Ozaki | 2018-10-09 |
| 7672201 | Diffraction grating, light-receiving element, and optical head and optical recording/reproducing apparatus utilizing them | Yoshinori Sato | 2010-03-02 |
| 7447139 | Light-receiving element, optical head, optical recording/reproducing apparatus, and method of optical recording and reproduction | Teiichiro Oka, Koji Mishima, Daisuke Yoshitoku, Kenji Yamaga | 2008-11-04 |
| 7266065 | Apparatus for discriminating optical recording medium and method for discriminating optical recording medium | Yasufumi Takasugi, Kazuo Fukunaga, Toshikazu Hosobuchi, Takashi Namioka, Hideki Hirata +1 more | 2007-09-04 |
| 7200084 | Apparatus for discriminating optical recording medium and method for discriminating optical recording medium | Takashi Namioka, Yasufumi Takasugi, Kazuo Fukunaga, Toshikazu Hosobuchi, Hideki Hirata +1 more | 2007-04-03 |
| 7177242 | Condenser with first and second photodetectors with three sections each and having focal points before and after the surface of detectors | Teiichiro Oka | 2007-02-13 |
| 7158459 | Apparatus for discriminating optical recording medium and method for discriminating optical recording medium | Toshikazu Hosobuchi, Takashi Namioka, Yasufumi Takasugi, Kazuo Fukunaga, Hideki Hirata +1 more | 2007-01-02 |
| 7120180 | Laser diode driving circuit and an optical head | — | 2006-10-10 |
| 7085213 | Apparatus for discriminating optical recording medium and method for discriminating optical recording medium | Kazuo Fukunaga, Toshikazu Hosobuchi, Takashi Namioka, Yasufumi Takasugi, Hideki Hirata +2 more | 2006-08-01 |
| 6970487 | Semiconductor laser driving circuit and optical head | — | 2005-11-29 |
| 6809996 | Optical head, optical recording/reproducing apparatus and laser module | — | 2004-10-26 |
| 6724699 | Optical head, lazer diode module and optical recording-reproducing apparatus | — | 2004-04-20 |
| 5590099 | Magneto-optical recording method and method for making information-carrying magneto-optical recording medium | Masanori Shibahara, Suguru Takayama, Hajime Utsunomiya | 1996-12-31 |
| 5477509 | Magneto-optical head circuit for minimizing the overshoot reversing current | Masanori Shibahara, Takashi Onodera | 1995-12-19 |
| 5307329 | Magneto-optical recording head comprising a step-down transformer | Takashi Onodera | 1994-04-26 |
| 5260921 | Magnetooptical recording method | Takashi Onodera, Suguru Takayama | 1993-11-09 |
| 4995029 | Optical disk identifying method, manufacture of cartridge-enclosed optical disks, and optical disk cartridges | Hideo Kobayashi, Osamu Murakami | 1991-02-19 |