Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7447169 | Radio communication system | Naoki Okamoto, Seiichi Sanpei | 2008-11-04 |
| 7359341 | Radio communication system | Naoki Okamoto, Seiichi Sanpei | 2008-04-15 |
| 5999575 | Channel separating filter apparatus, PSK demodulator apparatus and PSK receiver apparatus each equipped with channel separating filter apparatus | Ryohei Tanaka, Minoru Okada, Shinsuke Hara, Shozo Komaki | 1999-12-07 |
| 5608933 | Bed having mat support rolls rotated to move a mat for blood circulation of a person lying on the mat | Hideto Hanada, Tadashi Obara, Sigeyuki Takasugi, Nobumasa Imoto, Michiko Nakamura +4 more | 1997-03-11 |