Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6202945 | Method and apparatus for electrostatic powder coating | Masayuki Maruta, Yukiya Sato | 2001-03-20 |
| 5955152 | Electrostatic powder coating method | Masayuki Maruta | 1999-09-21 |
| 5894989 | Electrostatic powder coating gun | Masayuki Maruta, Yukiya Sato | 1999-04-20 |
| 5811158 | Method and apparatus for electrostatic powder coating | Masayuki Maruta, Yukiya Sato | 1998-09-22 |
| 5667099 | Method and apparatus for powder distribution | Keisaku Inoue | 1997-09-16 |
| 5655180 | Toner cartridge with a rotary element which is attachable to and detachable from a developing apparatus | Masayuki Maruta | 1997-08-05 |
| 5481344 | Auxiliary device, cartridge and apparatus for toner supply | Hideyo Nishikawa | 1996-01-02 |
| 5154999 | Resin binder for toner composition | Kuniyasu Kawabe, Norihiro Hayashi | 1992-10-13 |
| 4986450 | Toner cartridge | Yasunori Inagaki | 1991-01-22 |
| 4977054 | Developer for electrostatic image comprising coated carrier | Toshio Honjo, Yuji Sato, Yoshihiro Fukushima, Masayoshi Nawa | 1990-12-11 |
| 4845002 | Toner for development of electrostatically charged image | Masao Niki, Yukinaga Yokota, Kazuhiko Okabe | 1989-07-04 |
| 4788122 | Production of polyester and elecrophotographic toner containing the same | Kuniyasu Kawabe, Hideyo Nishikawa | 1988-11-29 |
| 4657837 | Toner for developing an electrostatically charged image | Hideaki Morita, Takahira Kasuya, Goichi Yamakawa, Makoto Tomono | 1987-04-14 |
| 4588668 | Polyester resin, electrophotographic developer composition | Eiji Morimoto, Yuichi Ueda | 1986-05-13 |
| 4530894 | Coated magnetic toner powder | Tetsuya Imamura, Takashi Takeuchi, Takashi Tetsutani | 1985-07-23 |
| 4387211 | Process for producing new polyester resin and product thereof | Eiji Morimoto, Atsushi Sonobe | 1983-06-07 |
| 4314049 | Polyester resin composition | — | 1982-02-02 |
| 4298489 | Phosphate ester-based fire resistant hydraulic fluid containing an aliphatic polyester | Kenjiro Ohba, Kaichi Izumi | 1981-11-03 |