Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7062199 | Process cartridge remanufacturing method | Akira Higeta | 2006-06-13 |
| 6721520 | Remanufacturing method for process cartridge | Akira Higeta, Satoshi Yasuda | 2004-04-13 |
| 6643482 | Remanufacturing method for process cartridge | Akira Higeta, Satoshi Yasuda | 2003-11-04 |
| 6643481 | Remanufacturing method for process cartridge | Akira Higeta, Satoshi Yasuda | 2003-11-04 |
| 6615008 | Remanufacturing method for process cartridge | Akira Higeta, Satoshi Yasuda | 2003-09-02 |
| 6577829 | REMANUFACTURING METHOD FOR A PROCESS CARTRIDGE HAVING A TONER SEAL THAT IS UNSEALED UPON THE START OF USE OF THE CARTRIDGE COMPRISING THE STEPS OF SEPARATING FIRST AND SECOND UNITS OF THE CARTRIDGE AND RECOUPLING THE UNITS WITHOUT REMOUNTING THE TONER SEAL | Akira Higeta, Satoshi Yasuda | 2003-06-10 |
| 6574445 | Method of remanufacturing process cartridge including additional seal mounting step | Akira Higeta, Satoshi Yasuda | 2003-06-03 |
| 6519430 | Remanufacturing method comprising developing blade dismounting and mounting steps | Akira Higeta, Satoshi Yasuda | 2003-02-11 |
| 6505020 | Remanufacturing method of process cartridge | Akira Higeta | 2003-01-07 |
| 6493527 | Process cartridge | Akira Higeta | 2002-12-10 |
| 6473577 | Process cartridge remanufacturing method | Akira Higeta | 2002-10-29 |
| 6397025 | Process cartridge remanufacturing method | Akira Higeta | 2002-05-28 |