Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643481 | Remanufacturing method for process cartridge | Akira Higeta, Yoshiyuki Kakumi | 2003-11-04 |
| 6643482 | Remanufacturing method for process cartridge | Akira Higeta, Yoshiyuki Kakumi | 2003-11-04 |
| 6615008 | Remanufacturing method for process cartridge | Akira Higeta, Yoshiyuki Kakumi | 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, Yoshiyuki Kakumi | 2003-06-10 |
| 6574445 | Method of remanufacturing process cartridge including additional seal mounting step | Akira Higeta, Yoshiyuki Kakumi | 2003-06-03 |
| 6519430 | Remanufacturing method comprising developing blade dismounting and mounting steps | Akira Higeta, Yoshiyuki Kakumi | 2003-02-11 |