Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10143406 | Feature-quantity extracting apparatus | Takashi Yahata | 2018-12-04 |
| 6049873 | Scrambled information transmitting and receiving method | Yasuichi Kaku, Masaharu Kizaki, Naruhiko Nihira | 2000-04-11 |
| 4653099 | SP sound synthesizer | Susumu Takashima, Naoki Inagaki | 1987-03-24 |
| 4541111 | LSP Voice synthesizer | Susumu Takashima, Naoki Inagaki, Kazumasa Fukushima | 1985-09-10 |