Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7957231 | Optical pickup apparatus and objective optical element | Tohru Kimura, Yuichi Atarashi, Kiyono Ikenaka, Eiji Nomura | 2011-06-07 |
| 7889618 | Objective optical element and optical pickup apparatus | Tohru Kimura, Yuichi Atarashi, Kiyono Ikenaka, Eiji Nomura | 2011-02-15 |