Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6560422 | DEVELOPMENT CARTRIDGE, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, AND TONER SEAL MEMBER FOR UNSEALING AN OPENING FOR SUPPLYING DEVELOPER BY AUTOMATICALLY WINDING UP THE TONER SEAL MEMBER | Tatsuya Shiratori, Kouji Hashimoto, Tachio Kawai | 2003-05-06 |
| 6516168 | IMAGE FORMING APPARATUS, A CARTRIDGE AND DEVELOPER CONTAINER DETACHABLY MOUNTABLE THEREON, AND A DRIVING SOURCE FOR PROVIDING A FORCE FOR OPENING A SEALING MEMBER FOR REMOVABLY SEALING A DEVELOPER SUPPLYING OPENING | Tatsuya Shiratori | 2003-02-04 |