Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D539342 | Printer ink cartridge | Goro Katsuyama, Osamu Miki, Masaaki Kabumoto | 2007-03-27 |
| 7073898 | Expendable part, expendable part installation structure, and imaging apparatus | — | 2006-07-11 |
| D523073 | Ink-jet printer | Masaaki Kabumoto, Goro Katsuyama, Ryota Yano, Osamu Miki | 2006-06-13 |
| D497944 | Ink-jet printer | Masaaki Kabumoto, Goro Katsuyama, Ryota Yano, Osamu Miki | 2004-11-02 |
| D497383 | Printer ink cartridge | Goro Katsuyama, Masaaki Kabumoto, Osamu Miki | 2004-10-19 |
| D494616 | Printer ink cartridge | Goro Katsuyama, Masaaki Kabumoto, Osamu Miki | 2004-08-17 |
| 6507720 | Color image forming apparatus and toner replenishing apparatus each including plural toner containers received in receiving member of setting part and toner containers therefor | Masaaki Kabumoto, Goro Katsuyama, Masahiro Kurita, Masahiro Yonekawa, Tomotoshi Nakahara +6 more | 2003-01-14 |
| D465224 | Facsimile transmitter-receiver | Kohji Hikawa, Masaaki Kabumoto | 2002-11-05 |