| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 18 | |
| #2 | United States | 4 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Optics | |
| #3 | Semiconductors | |
| #4 | Micro-structure and nano-technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mitsuru Ito | 4 |
| #2 | Toru Horita | 3 |
| #3 | Ryoichi Kawasaki | 3 |
| #4 | Hiroyuki Ichikawa | 2 |
| #5 | Kawasaki Ryoichi | 2 |
| #6 | Yoshie Masayuki | 2 |
| #7 | Yuki Koshimizu | 2 |
| #8 | Ogata Masahito | 2 |
| #9 | Hotta Tohru | 1 |
| #10 | Matsuyama Koichi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN102956244A | Optical element retaining device, optical element transfer device and optical pickup device | |
| CN102855894A | Optical pickup device and position adjusting method for light separating element | |
| CN102385877A | Optical pickup apparatus | |
| CN102385878A | Optical pickup apparatus |