Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8596612 | Bobbyjack | — | 2013-12-03 |
| 8497940 | High density wireless system | Masahiko Igarashi, Tadashi Kikutani, Yoshihiko Naito | 2013-07-30 |
| 6549632 | Microphone | Hiroshi Akino, Shioto Okita, Kazuhisa Kondo, Shigeru Uzawa | 2003-04-15 |
| 6130952 | Microphone | Hiroshi Akino, Shioto Okita, Kazuhisa Kondo, Shigeru Uzawa | 2000-10-10 |