Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8134839 | Junction structure of substrate and joining method thereof | Masahiro Yamazaki, Yasuo Ueda | 2012-03-13 |
| 8068388 | Optical pick up and optical disc device having optical shield for suppressing the influence of stray light through hologram element | Yasuo Ueda, Hiroshi Tajika, Kosuke Takahashi, Hiroaki Takahashi | 2011-11-29 |
| 7691314 | Method of injection compression molding | Haruhiko Ae, Takayoshi Tanaka | 2010-04-06 |
| 5905255 | Objective lens driver | Kanji Wakabayashi, Hitoshi Fujii, Hiroshi Yamamoto, Jouji Anzai | 1999-05-18 |
| 5416640 | Objective actuator | Kenichiro Urairi, Takao Hayashi, Kazuhiko Fujikawa | 1995-05-16 |
| 5156860 | Apparatus for manufacturing an optical disk substrate by injection molding | Kotaro Kojima, Toshiki Shojima | 1992-10-20 |
| 5059461 | Optical disk substrate, optical information-storage medium, and process and apparatus for manufacturing the optical disk substrate | Kotaro Kojima, Toshiki Shojima | 1991-10-22 |