Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5783535 | Detergent composition comprising an amidoether derivative mixture and a conditioning component | Kazuo Isobe, Toshikazu Azuma, Takashi Imamura | 1998-07-21 |
| 5700772 | Detergent composition comprising an amide-ether derivative mixture and an amphoteric surfactant | Kazuo Isobe, Toshikazu Azuma, Takashi Imamura | 1997-12-23 |
| 5693605 | Detergent composition comprising an amide-ether derivative mixture and an anionic surfactant | Kazuo Isobe, Toshikazu Azuma, Takashi Imamura | 1997-12-02 |
| 5481344 | Auxiliary device, cartridge and apparatus for toner supply | Shinichiro Yasuda | 1996-01-02 |
| 4933252 | Electrophotographic developer comprising polyester resin of specified acid and hydroxyl valves | Shingo Tanaka | 1990-06-12 |
| 4863824 | Toner for developing electrostatic latent image | Masafumi Uchida, Hiroyuki Takagiwa, Satoru Ikeuchi, Shingo Tanaka, Kuniyasu Kawabe | 1989-09-05 |
| 4804622 | Toner composition for electrophotography | Shingo Tanaka, Kuniyasu Kawabe | 1989-02-14 |
| 4788122 | Production of polyester and elecrophotographic toner containing the same | Kuniyasu Kawabe, Shinichiro Yasuda | 1988-11-29 |