Ohta; Tatsuo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ohta; Tatsuo.The latest application filed is for "optical element and optical pickup apparatus".
- Ohta; Tatsuo - Otsuki JP
- Ohta; Tatsuo - Otsuki-shi JP
- Ohta; Tatsuo - Tokyo JP
- Ohta; Tatsuo - Hachioji JP
- Ohta; Tatsuo - Ohtsuki JP
- Ohta, Tatsuo - Oshikawa-shi JP
- Ohta; Tatsuo - Yamanashi JP
- Ohta; Tatsuo - Hamamatsu JP
- Ohta; Tatsuo - Hino JP
- Ohta; Tatsuo - Sagamihara JP
| Patent | Date |
|---|---|
| Optical element and optical pickup apparatus Grant 7,803,455 - Taka , et al. September 28, 2 | 2010-09-28 |
| Optical element and optical pickup apparatus Grant 7,715,302 - Ohta , et al. May 11, 2 | 2010-05-11 |
| Optical element and optical pickup device Grant 7,682,676 - Tokuhiro , et al. March 23, 2 | 2010-03-23 |
| Optical lens and information recording and reproducing device Grant 7,602,679 - Ohta , et al. October 13, 2 | 2009-10-13 |
| Antireflection coating, optical element, and optical transceiver module Grant 7,599,119 - Nakamura , et al. October 6, 2 | 2009-10-06 |
| Objective lens and optical pickup apparatus Grant 7,554,736 - Ohta , et al. June 30, 2 | 2009-06-30 |
| Optical element and optical pickup apparatus App 20070035840 - Taka; Kunihiko ; et al. | 2007-02-15 |
| Objective lens and optical pickup apparatus Grant 7,161,744 - Ohta , et al. January 9, 2 | 2007-01-09 |
| Optical lens and optical information recording and reproducing apparatus Grant 7,085,219 - Ohta August 1, 2 | 2006-08-01 |
| Antireflection coating, optical element, and optical transceiver module App 20060158738 - Nakamura; Katsuya ; et al. | 2006-07-20 |
| Surface treatment method and optical part Grant 7,079,323 - Ohta , et al. July 18, 2 | 2006-07-18 |
| Optical element and optical pickup device App 20050248864 - Tokuhiro, Setsuo ; et al. | 2005-11-10 |
| Objective lens and optical pickup apparatus App 20050225879 - Ohta, Tatsuo ; et al. | 2005-10-13 |
| Objective lens and optical pickup apparatus App 20050219683 - Ohta, Tatsuo ; et al. | 2005-10-06 |
| Optical element and optical pickup apparatus App 20050201422 - Ohta, Tatsuo ; et al. | 2005-09-15 |
| Half mirror film producing method and optical element comprising a half mirror film Grant 6,903,512 - Ohta , et al. June 7, 2 | 2005-06-07 |
| Sputtering apparatus App 20050109616 - Ohta, Tatsuo ; et al. | 2005-05-26 |
| Image pickup device and portable terminal App 20050068456 - Ohta, Tatsuo ; et al. | 2005-03-31 |
| Optical component and optical pickup apparatus App 20050018297 - Ohta, Tatsuo ; et al. | 2005-01-27 |
| Optical lens and optical information recording and reproducing apparatus App 20040233823 - Ohta, Tatsuo | 2004-11-25 |
| Optical lens and optical information recording and reproducing apparatus equipped therewith Grant 6,813,096 - Ohta November 2, 2 | 2004-11-02 |
| Optical component Grant 6,771,583 - Ohta , et al. August 3, 2 | 2004-08-03 |
| Surface treatment method and optical part App 20030228413 - Ohta, Tatsuo ; et al. | 2003-12-11 |
| Half mirror film producing method and optical element comprising a half mirror film App 20030146709 - Ohta, Tatsuo ; et al. | 2003-08-07 |
| Optical lens and optical information recording and reproducing apparatus equipped therewith App 20030103271 - Ohta, Tatsuo | 2003-06-05 |
| Optical component App 20020141322 - Ohta, Tatsuo ; et al. | 2002-10-03 |
| Antireflection coating with electromagnetic wave shielding effect and optical member having the antireflection coating Grant 6,104,534 - Ohta , et al. August 15, 2 | 2000-08-15 |
| Optical member having antireflection film thereon Grant 5,920,431 - Tokuhiro , et al. July 6, 1 | 1999-07-06 |
| Conductive laminate Grant 4,835,061 - Ohta , et al. May 30, 1 | 1989-05-30 |
| Gradient density filter medium Grant 4,793,923 - Kadoya , et al. December 27, 1 | 1988-12-27 |
| Transparent conductive layer built-up material Grant 4,719,152 - Ohta , et al. January 12, 1 | 1988-01-12 |
| Evaporator Grant 4,526,132 - Ohta July 2, 1 | 1985-07-02 |
| Multi-color electro-static image liquid development apparatus Grant 4,157,219 - Ohta , et al. June 5, 1 | 1979-06-05 |
| Developing roller and rinsing device Grant 4,102,306 - Ohta July 25, 1 | 1978-07-25 |
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