Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5380615 | Process for producing a toner for development of electrostatic charged image | — | 1995-01-10 |
| 5364719 | Toner for developing electrostatic images | Hideki Ohta, Tatsuo Imafuku, Masami Tsujihiro, Hiroshi Shimoyama, Nobuhiro Hirano | 1994-11-15 |
| 5364728 | Method of manufacturing a toner | Hideki Ohta, Tatsuo Imafuku, Masami Tsujihiro, Hiroshi Shimoyama, Nobuhiro Hirano | 1994-11-15 |
| 5104764 | Process for preparation of polymer particles, process for preparation of toner particles and particles prepared according to these processes | Tomonori Wada, Nobuhiro Hirano, Hiroshi Shimoyama, Hideki Ota | 1992-04-14 |
| 4849318 | Processes for producing electrophotographic toner | Noriaki Tsubota | 1989-07-18 |
| 4777104 | Electrophotographic toner made by polymerizing monomers in solution in presence of colorant | Tsunetaka Matsumoto, Masayoshi Okubo | 1988-10-11 |