Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7026087 | Toner composition | Yoshihiro Mikuriya, Masahiro Anno, Masahide Inoue | 2006-04-11 |
| 6524762 | Mono-component developing device, toner for the same and image forming apparatus | Chikara Tsutsui, Masahiro Anno, Minoru Nakamura, Masahide Inoue | 2003-02-25 |
| 6459874 | Developing system for forming a full-color image | Masahide Inoue, Masahiro Anno, Chikara Tsutsui, Minoru Nakamura | 2002-10-01 |
| 6387580 | Toner set and full-color image-forming method suitable for use of the toner set | Masahiro Anno, Minoru Nakamura, Chikara Tsutsui, Hiroyuki Fukuda | 2002-05-14 |
| 6344302 | Developer for developing electrostatic latent images | Masayuki Hagi, Tetsuo Sano, Kenichi Kido, Takeshi Arai | 2002-02-05 |
| 6335138 | Production method of toner | Masahiro Anno, Chikara Tsutsui, Minoru Nakamura, Hiroyuki Fukuda | 2002-01-01 |
| 6265125 | Toner set and full-color image-forming method suitable for use of the toner set | Masahiro Anno, Minoru Nakamura, Chikara Tsutsui, Hiroyuki Fukuda | 2001-07-24 |
| 6174641 | Non-magnetic toner for developing electrostatic latent image | Minoru Nakamura, Masahiro Anno, Chikara Tsutsui, Hiroyuki Fukuda | 2001-01-16 |
| 6159647 | Non-magnetic yellow toner | Masahiro Anno, Chikara Tsutsui, Minoru Nakamura, Hiroyuki Fukuda | 2000-12-12 |
| 6100000 | Developer comprising toner and/or carrier having specified average degree of roundness and specified standard deviation of degree of roundness | Masahiro Anno, Chikara Tsutsui, Minoru Nakamura, Hiroyuki Fukuda | 2000-08-08 |
| 6066430 | Mono-component developing method and mono-component developing machine for effectuating the method | Chikara Tsutsui, Masahiro Anno, Minoru Nakamura, Hiroyuki Fukuda | 2000-05-23 |
| 6063535 | Mono-component developing method | Chikara Tsutsui, Masahiro Anno, Minoru Nakamura, Hiroyuki Fukuda | 2000-05-16 |
| 6063537 | Non-magnetic toner for developing electrostatic latent image | Minoru Nakamura, Masahiro Anno, Chikara Tsutsui, Hiroyuki Fukuda | 2000-05-16 |
| 6022661 | Toner for developing electrostatic latent image | Masahiro Anno, Chikara Tsutsui, Minoru Nakamura, Hiroyuki Fukuda | 2000-02-08 |
| 5981132 | Non-magnetic mono-component developer | Masahiro Anno, Chikara Tsutsui, Minoru Nakamura | 1999-11-09 |
| 5905011 | Nonmagnetic monocomponent negatively chargeable color developer | Masahiro Anno, Chikara Tsutsui, Minoru Nakamura, Hiroyuki Fukuda | 1999-05-18 |
| 5905010 | Nonmagnetic toner for forming full color images | Minoru Nakamura, Masahiro Anno, Chikara Tsutsui | 1999-05-18 |
| 5879848 | Toner for full color developing | Masayuki Hagi, Takeshi Arai, Junichi Tamaoki, Ichiro Demizu, Hiroyuki Fukuda | 1999-03-09 |
| 5843605 | Yellow developer | Masahiro Anno, Hiroyuki Fukuda | 1998-12-01 |
| 5840458 | Developer for developing an electrostatic latent image to which laminated titanium oxide is externally added | Kenichi Kido, Takeshi Arai, Masayuki Hagi | 1998-11-24 |
| 5794105 | Image forming apparatus and toner for full color development | Junichi Tamaoki, Ichiro Demizu, Takeshi Arai, Masayuki Hagi, Hiroyuki Fukuda | 1998-08-11 |
| 5707769 | Yellow toner and magenta toner and image forming apparatus and method using same | Masayuki Hagi, Takeshi Arai, Junichi Tamaoki, Hiroyuki Fukuda, Yoko Osawa +1 more | 1998-01-13 |