Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7285581 | Processed pigments, pigment-dispersed solution, ink for ink jet, manufacturing method of processed pigments and manufacturing method of pigment-dispersed solution | Toru Ushirogouchi, Kazuhiko Ohtsu | 2007-10-23 |
| 7125112 | Liquid ink and recording apparatus | Toru Ushirogouchi, Chiaki Tanuma, Kazuhiko Ohtsu, Masashi Hiroki, Yoshito Endo | 2006-10-24 |
| 7108367 | Liquid ink and recording apparatus | Toru Ushirogouchi, Chiaki Tanuma, Kazuhiko Ohtsu, Masashi Hiroki, Yoshito Endo | 2006-09-19 |
| 6959986 | Liquid ink and recording apparatus | Toru Ushirogouchi, Chiaki Tanuma, Kazuhiko Ohtsu, Masashi Hiroki, Yoshito Endo | 2005-11-01 |
| 5294961 | Recording apparatus with two charging units for achieving uniform after-transfer zones distribution | Yoshimitsu Ohtaka, Tomoyuki Kato | 1994-03-15 |
| 5280329 | Fixing device | Yoshimitsu Ohtake | 1994-01-18 |