Issued Patents 2005
Showing 1–8 of 8 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 | Koichiro Kishima | 2005-12-27 |
| 6972912 | Optical device, optical system, method of production of same, and mold for production of same | Masahiro Yamada, Tetsu Watanabe | 2005-12-06 |
| 6946237 | Optical device, method for producing the same and recording and/or reproducing apparatus employing the same | Koichiro Kishima | 2005-09-20 |
| 6922376 | Sil magneto-optic transducer having thin film magnetic coil and holded magnetic core | Ariyoshi Nakaoki, Kenji Yamamoto, Akira Suzuki | 2005-07-26 |
| 6901045 | Optical lens and method of producing the same, method of producing optical lens array, focus error signal production method, and optical pickup apparatus | Koichiro Kishima | 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 | Koichiro Kishima | 2005-05-17 |
| 6842296 | Optical lens and method of producing the same, method of producing optical lens array, focus error signal production method, and optical pickup apparatus | Koichiro Kishima | 2005-01-11 |
| 6839315 | Optical head and optical pickup having improved thermal coefficient matching for thermal expansion adjustment | Koichiro Kishima, Kenji Yamamoto, Gakuji Hashimoto, Atsushi Iida | 2005-01-04 |