| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Special information storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hotta Tohru | 13 |
| #2 | Kawasaki Ryoichi | 12 |
| #3 | Kawasaki Ryouichi | 1 |
| #4 | Shindo Hiroyuki | 1 |
| #5 | Kan Kenji | 1 |
| #6 | Kawabuchi Kenichirou | 1 |
| #7 | Hosokawa Tetsuhisa | 1 |
| #8 | Ichikawa Hiroyuki | 1 |
| #9 | Nakamura Shigeru | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2009196146A1 | Optical pickup apparatus | |
| US2009154310A1 | Optical pickup apparatus | |
| US2009034392A1 | Photodetector and optical pickup apparatus including the same | |
| US2008310286A1 | Optical pickup apparatus |