Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7977563 | Overdubbing device | Hiroki Fukushima | 2011-07-12 |
| 7869151 | Color wheel with segment fixing mechanisms, and manufacturing method of same | Shinichi Niwa, Toshiaki Asakawa, Kuniyuki Takao | 2011-01-11 |