Issued Patents All Time
Showing 51–75 of 99 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7145860 | Method for preparing an optical device using position markers around an optical lens and a light barrier film | Akira Kouchiyama | 2006-12-05 |
| 7123551 | Optical device with optical recording medium having transparent heat radiating layer | Yuji Kuroda, Isao Ichimura, Kiyoshi Osato | 2006-10-17 |
| 7092632 | Optical communication apparatus, optical communication information decoding method, optical switching system, and driving method for optical switching system | — | 2006-08-15 |
| 7061691 | Optical lens and method of producing the same, method of producing optical lens array, focus error signal production method, and optical pickup apparatus | Akira Kouchiyama | 2006-06-13 |
| 7058000 | Information recording disc having an anti-reflection layer and information recording/reproducing apparatus | Isao Ichimura, Yuji Kuroda, Kiyoshi Osato | 2006-06-06 |
| 7027687 | Optical coupling device | — | 2006-04-11 |
| 6980373 | Optical lens and method of producing the same, method of producing optical lens array, focus error signal production method, and optical pickup apparatus | Akira Kouchiyama | 2005-12-27 |
| 6967050 | Optical recording medium and a method of manufacturing the same | Isao Ichimura, Kimihiro Saito, Kiyoshi Osato | 2005-11-22 |
| 6946237 | Optical device, method for producing the same and recording and/or reproducing apparatus employing the same | Akira Kouchiyama | 2005-09-20 |
| 6934224 | Optical recording medium/system with heat-dissipating and light reflecting layers | Yuji Kuroda, Isao Ichimura, Kiyoshi Osato | 2005-08-23 |
| 6901045 | Optical lens and method of producing the same, method of producing optical lens array, focus error signal production method, and optical pickup apparatus | Akira Kouchiyama | 2005-05-31 |
| 6894844 | Optical lens and method of producing the same, method of producing optical lens array, focus error signal production method, and optical pickup apparatus | Akira Kouchiyama | 2005-05-17 |
| 6851187 | Method for manufacturing printer device | — | 2005-02-08 |
| 6842296 | Optical lens and method of producing the same, method of producing optical lens array, focus error signal production method, and optical pickup apparatus | Akira Kouchiyama | 2005-01-11 |
| 6839315 | Optical head and optical pickup having improved thermal coefficient matching for thermal expansion adjustment | Akira Kouchiyama, Kenji Yamamoto, Gakuji Hashimoto, Atsushi Iida | 2005-01-04 |
| 6831790 | Optical element, method for producing the same, and optical pickup | Akira Kouchiyama | 2004-12-14 |
| 6804885 | Method for manufacturing printer device | — | 2004-10-19 |
| 6787211 | Optical recording medium and its manufacturing method | — | 2004-09-07 |
| 6773868 | Method for producing recording medium, method for producing stamper of recording medium, apparatus for producing recording medium, and apparatus for producing stamper of recording medium | Akira Kouchiyama | 2004-08-10 |
| 6747811 | Optical system, method of producing optical system, and optical pickup | Akira Kouchiyama | 2004-06-08 |
| 6724544 | Optical lens and method of producing the same, method of producing optical lens array, focus error signal production method, and optical pickup apparatus | Akira Kouchiyama | 2004-04-20 |
| 6683846 | Information recording disc having an anti-reflection layer and information recording/reproducing apparatus | Isao Ichimura, Yuji Kuroda, Kiyoshi Osato | 2004-01-27 |
| 6683845 | Optical recording medium, method of producing same, and optical recording and reproduction device | Yuji Kuroda, Isao Ichimura, Kiyoshi Osato, Kimihiro Saito | 2004-01-27 |
| 6600714 | Optical recording medium, optical pickup and optical recording and/or reproducing apparatus | Isao Ichimura, Kenji Yamamoto, Yuji Kuroda | 2003-07-29 |
| 6592435 | Method of and apparatus for manufacturing recording medium | — | 2003-07-15 |