Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9102840 | Polyurethane resin addition pigment, process for producing polyurethane resin addition pigment, pigment dispersion composition, and jet printing ink composition | Shigehiro Tanaka, Asami Takenaka | 2015-08-11 |
| 9045583 | Polyurethane resin adhesion pigment, pigment dispersion composition and inkjet ink composition | Asami Takenaka, Shigehiro Tanaka | 2015-06-02 |
| 9018317 | Process for producing pigment dispersion composition | Asami Takenaka, Shigehiro Tanaka | 2015-04-28 |
| 5962176 | Toner for developing electrostatic image, image forming method and process-cartridge | Manabu Ohno, Nobuyuki Okubo, Shunji Suzuki | 1999-10-05 |
| 5952138 | Magnetic developer and recognition method of magnetic-ink character | Tetsuhito Kuwashima, Satoshi Matsunaga | 1999-09-14 |
| 5164780 | Image forming apparatus having developer carrying member with surface layer of defined load curve | Manabu Ohno, Tetsuhito Kuwashima, Hiroyuki Suematsu | 1992-11-17 |