Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7150954 | Image forming method and toner for use in the method | Kumi Hasegawa, Toshiaki Higaya, Yasushi Koichi, Yutaka Takahashi, Tadashi Kasai | 2006-12-19 |
| 7125638 | Image forming method and image forming apparatus for same | Koji Suzuki, Bing Shu, Yasushi Koichi, Setsuo Soga, Tadashi Kasai +1 more | 2006-10-24 |
| 7029816 | Electrographic image formation method | Fumihiro Sasaki, Yasuaki Iwamoto, Naohito Shimota, Kazuyuki Yazaki, Hiroaki Matsuda +5 more | 2006-04-18 |
| 6964835 | Toner and image forming method using the toner | Kumi Hasegawa | 2005-11-15 |
| 6934484 | Image-forming apparatus and image-forming method | Koji Suzuki, Hiroto Higuchi, Shinya Nakayama, Maiko Kondo, Bing Shu +3 more | 2005-08-23 |
| 6924073 | Toner for developing electrostatic latent image, toner cartridge, developer, developer cartridge, image forming method, and image forming apparatus | Hiroto Higuchi, Fumihiro Sasaki, Naohito Shimota, Kumi Hasegawa, Bing Shu +2 more | 2005-08-02 |
| 6899986 | Image forming method and toner for use in the method | Kumi Hasegawa, Toshiaki Higaya, Yasushi Koichi, Yutaka Takahashi, Tadashi Kasai | 2005-05-31 |
| 6887636 | Toner for two-component developer, image forming method and device for developing electrostatic latent image | Hiroaki Matsuda, Kazuyuki Yazaki, Takayuki Koike, Koji Suzuki, Tadashi Kasai +3 more | 2005-05-03 |
| 6632939 | Process for producing dextran reduced in boron content | Haruo Machida, Shigeaki Kato, Yuuki Hirata, Hideki Kobatake | 2003-10-14 |
| 6403275 | Electrophotographic toner, and image forming method and apparatus using the toner | Shinichi Kuramoto, Hiroshi Yamashita, Fumihiro Sasaki, Tomio Kondou, Masahide Yamashita +2 more | 2002-06-11 |
| 6248488 | Image formation method using color toners | Nobutaka Kinoshita, Shinichi Kuramoto, Akira Oyamaguchi, Hiroshi Sugimoto | 2001-06-19 |
| 6168894 | Image forming method and dry toner therefor | Hachiro Tosaka, Hiroyuki Fushimi, Masanori Suzuki, Akihiro Kotsugai | 2001-01-02 |
| 6120960 | Image forming method and dry toner therefor | Akira Oyamaguchi, Nobutaka Kinoshita | 2000-09-19 |
| 6060201 | Image forming method using color developers | Nobutaka Kinoshita, Akira Oyamaguchi | 2000-05-09 |
| 5994016 | Dry developer for developing electrostatic latent image | Shinichi Kuramoto, Masakazu Yashiro, Akira Oyamaguchi, Hiroshi Sugimoto | 1999-11-30 |
| 5614347 | Toner for developing latent electrostatic images | Tetsuo Isoda, Masanori Suzuki, Yoshihiro Suguro | 1997-03-25 |
| 5519316 | Method and apparatus for measuring a toner concentration of a two-component developer | Tomoe Hagiwara, Masanori Suzuki, Tomio Kondou, Takahisa Kato | 1996-05-21 |
| 5482807 | Positively-chargeable toner | Takahisa Kato, Masanori Suzuki, Tomoe Hagiwara | 1996-01-09 |
| 5380616 | Toner for developing latent electrostatic images | Yoshihiro Suguro, Tomio Kondo, Yasushi Nakamura, Satoru Miyamoto | 1995-01-10 |
| 5225302 | Two-component dry type developer for developing latent electrostatic images | Tetsuo Isoda, Takahisa Kato | 1993-07-06 |
| 5077889 | Process for fabricating a positive-temperature-coefficient heating device | Yasuaki Matsuda, Daisuke Takahata, Hiroshi Takemura | 1992-01-07 |
| 5061588 | Dry type toner for electrophotography | Hiroyuki Fushimi, Nobuhiro Nakayama, Yasuo Asahina, Kayo Makita | 1991-10-29 |
| 4980258 | Dry type developer for electrophotography | Nobuhiro Nakayama, Yasuo Asahina, Hiroyuki Fushimi, Kayo Makita, Yasuaki Iwamoto | 1990-12-25 |
| 4979708 | Fancy toothbrush holder | — | 1990-12-25 |
| 4956258 | Dry toner for developing latent electrostatic images with improved resistance to toner staining of vinyl chloride products | Yoichiro Watanabe, Tetsuo Isoda | 1990-09-11 |