Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10996587 | Image forming apparatus with a plurality of developer container each having an engagement portion | Toshio Koike, Teppei Kikuchi | 2021-05-04 |
| 10564592 | Image forming apparatus including a removable component which is held by holder | Michiharu Suzuki, Jun Shiori, Hideo Yoshizawa, Toshio Koike, Teppei Kikuchi +1 more | 2020-02-18 |
| 10558134 | Image forming apparatus | Toshio Koike, Teppei Kikuchi, Michiharu Suzuki, Keinosuke Kondoh, Jun Shiori | 2020-02-11 |
| 10520856 | Developing device, process cartridge, and image forming apparatus incorporating same | Toshio Koike, Jun Shiori, Hideo Yoshizawa, Keinosuke Kondoh, Teppei Kikuchi +1 more | 2019-12-31 |
| 10409196 | Image forming apparatus including developing devices, developing containers, and changeable conveyance paths between the developing devices and the developing containers | Toshio Koike, Jun Shiori, Teppei Kikuchi, Michiharu Suzuki, Keinosuke Kondoh +2 more | 2019-09-10 |
| 10203633 | Image forming apparatus | Michiharu Suzuki, Hideo Yoshizawa, Jun Shiori, Toshio Koike, Teppei Kikuchi +1 more | 2019-02-12 |
| 5196527 | Porous ion-exchanged fine cellulose particles, method for production thereof, and affinity carrier | Shigeru Ookuma, Kouei Igarashi, Masami Hara, Hideo Yoshidome, Hiroshi Nakayama +2 more | 1993-03-23 |
| 5108596 | Borous ion-exchanged fine cellulose particles, method for production thereof, and affinity carrier | Shigeru Ookuma, Kouei Igarashi, Masami Hara, Hideo Yoshidome, Hiroshi Nakayama +2 more | 1992-04-28 |