Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8222508 | Tone signal creating apparatus and method | Kensuke Ide, Norihisa Aoki, Toshifumi Kunimoto, Tadashi Okano | 2012-07-17 |
FO
Fumitsugu Ohtaka
Overall (All Time): #3,215,194 of 4,157,543Top 80%
1
Patents All Time