Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8005219 | Data decryption apparatus and data encryption apparatus | Taro Togawa, Takeshi Otani, Masakiyo Tanaka, Yasuji Ota | 2011-08-23 |
| 7925500 | Pitch conversion method and device for converting a pitch of an input signal into a desired pitch | Chikako Matsumoto, Taro Togawa, Yasuji Ota | 2011-04-12 |