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Liquid crystal element |
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| 11899336 |
Liquid crystal element |
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Liquid crystal element |
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Liquid crystal element, deflection element, and eyeglasses |
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2023-09-19 |
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Liquid crystal element, deflection element, and eyeglasses |
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| 10761245 |
Liquid crystal element, deflection element, and eyeglasses |
Hiroyuki Yoshida, Masanori Ozaki |
2020-09-01 |
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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 |
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Diffraction grating, light-receiving element, and optical head and optical recording/reproducing apparatus utilizing them |
Yoshinori Sato |
2010-03-02 |
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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 |
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Apparatus for discriminating optical recording medium and method for discriminating optical recording medium |
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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 |
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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 |
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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 |
