Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7990822 | Sound recording/reproducing method and apparatus | Katsuaki Tanaka | 2011-08-02 |
SN
Sadayuki Narusawa
Overall (2011): #173,663 of 364,097Top 50%
1
Patents 2011