Issued Patents 2005
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |