Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8426331 | Dielectric ceramic, and resonator using the same | Toshiyuki Sue | 2013-04-23 |
| 6048054 | Ink replenishing apparatus and ink replenishing method for ink-jet printing ink cartridge | Yoichi Ando, Kiyoshi Fujisawa | 2000-04-11 |
| 5971532 | Replenishing ink cartridge | — | 1999-10-26 |
| 5878668 | Process for preparing stamp | Yoichi Ando, Koichi Hirano, Hisami Tamano | 1999-03-09 |
| 5741459 | Process for preparing stamp | Yoichi Ando, Koichi Hirano, Hisami Tamano | 1998-04-21 |
| 5611279 | Process of producing a printing plate for a stamp | Yoichi Ando, Fumitoshi Nakamura, Haruhito Shiraishi, Susumu Suzuki, Koichi Hirano +1 more | 1997-03-18 |