Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5217836 | Toner for developing electrostatic images | Tsuyoshi Takiguchi, Tsutomu Kukimoto, Hiroshi Yusa, Tetsuhito Kuwashima | 1993-06-08 |
| 5210617 | Developer for developing electrostatic images and image forming apparatus | Tsuyoshi Takiguchi, Tsutomu Kukimoto, Hiroshi Yusa, Eiichi Imai | 1993-05-11 |
| 5180649 | Toner having crosslinkages and method of fixing same | Tsutomu Kukimoto, Hiroshi Yusa, Tsuyoshi Takiguchi, Tetsuhito Kuwashima | 1993-01-19 |
| 5139914 | Developer for developing electrostatic images and image forming apparatus | Tsuyoshi Takiguchi, Tsutomu Kukimoto, Hiroshi Yusa, Eiichi Imai | 1992-08-18 |
| 5137796 | Magnetic developer, comprising spherical particles magnetic | Tsuyoshi Takiguchi, Tetsuya Kuribayashi, Tsutomu Kukimoto, Hiroshi Yusa, Eiichi Imai | 1992-08-11 |
| 4939060 | Magnetic toner for developing electrostatic images | Seiichi Takagi, Ichiro Ohsaki, Satoshi Yasuda, Yoshihiko Hyosu | 1990-07-03 |