Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12012498 | Substrate and metal laminate | Motoshi Ono | 2024-06-18 |
| 6849213 | Method for producing silicon nitride filter | Naomichi Miyakawa, Nobuhiro Shinohara, Hideo Takahashi | 2005-02-01 |
| 6593261 | Silicon nitride porous body and its production process | Nobuhiro Shinohara, Naomichi Miyakawa | 2003-07-15 |
| 6565797 | Method for production of silicon nitride filter | Naomichi Miyakawa, Nobuhiro Shinohara, Hideo Takahashi | 2003-05-20 |
| 5021890 | Method of and apparatus for facsimile communications | Isao Yoshida, Hidetoshi Inoue | 1991-06-04 |
| 4845740 | Radiotelephone system adapted to read a credit card | Katsumi Tokuyama, Takuji ISHIKAWA, Haruhiko Akiyama | 1989-07-04 |
| 4742560 | Mobile radio unit in cellular wide range mobile communication system | — | 1988-05-03 |