Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10667050 | Audio circuit | Mitsuaki Sakamoto | 2020-05-26 |
| 6384921 | Printing method and apparatus and printing system including printing apparatus | Shinichi Saijo, Akira Katayama, Kouhei Ishikawa, Masahide Hasegawa, Moriyoshi Inaba | 2002-05-07 |
| 6338540 | Ink-jet printing method and apparatus therefor, and printing system including said apparatus | Masahide Hasegawa, Akira Katayama, Kouhei Ishikawa, Shinichi Saijo, Moriyoshi Inaba | 2002-01-15 |
| 6236752 | Image forming apparatus and method for selecting print heads especially for barcodes | Akira Katayama, Yuzo Wada, Kohei Ishikawa, Shinichi Saijo | 2001-05-22 |