KH

Kumi Hasegawa

Ricoh Company: 21 patents #1,013 of 9,818Top 15%
📍 Numazu, JP: #82 of 856 inventorsTop 10%
Overall (All Time): #210,317 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
8785099 Toner, developer including the toner, and developing device and image forming apparatus using the toner Hyo Shu, Mitsuo Aoki, Minoru Masuda 2014-07-22
8202676 Toner for developing electrostatic latent image, and image forming method using the toner 2012-06-19
8084179 Electrostatic image developing toner having specific variation coefficient of number distribution, two-component developer, image forming method and process cartridge 2011-12-27
8034523 Full color toner, and its use in electrophotography methods and apparatus Mitsuo Aoki, Minoru Masuda, Hyo Shu 2011-10-11
7985518 Toner, image forming apparatus using the same, and image forming method Hyo Shu, Mitsuo Aoki, Minoru Masuda 2011-07-26
7522857 Toner, image forming apparatus using the same and process cartridge Mitsuo Aoki, Hyo Shu, Minoru Masuda, Tomoko Utsumi 2009-04-21
7217485 Toner for electrophotography, and image fixing process, image forming process, image forming apparatus and process cartridge using the same Mitsuo Aoki, Bing Shu, Toyoshi Sawada, Keiko Shiraishi, Masashi Nagayama +1 more 2007-05-15
7183029 Dry toner, toner kit, and image forming apparatus and process cartridge using the dry toner Minoru Masuda, Mitsuo Aoki, Bing Shu 2007-02-27
7163774 Toner for forming image, method for developing electrostatic latent image, method for fixing toner image, image forming method and process cartridge using the toner Keiko Shiraishi, Toyoshi Sawada, Masashi Nagayama, Shinichi Kuramoto, Mitsuo Aoki +1 more 2007-01-16
7150954 Image forming method and toner for use in the method Mitsuo Aoki, Toshiaki Higaya, Yasushi Koichi, Yutaka Takahashi, Tadashi Kasai 2006-12-19
7029816 Electrographic image formation method Fumihiro Sasaki, Mitsuo Aoki, Yasuaki Iwamoto, Naohito Shimota, Kazuyuki Yazaki +5 more 2006-04-18
6964835 Toner and image forming method using the toner Mitsuo Aoki 2005-11-15
6924073 Toner for developing electrostatic latent image, toner cartridge, developer, developer cartridge, image forming method, and image forming apparatus Hiroto Higuchi, Mitsuo Aoki, Fumihiro Sasaki, Naohito Shimota, Bing Shu +2 more 2005-08-02
6899986 Image forming method and toner for use in the method Mitsuo Aoki, Toshiaki Higaya, Yasushi Koichi, Yutaka Takahashi, Tadashi Kasai 2005-05-31
6544704 Two-component developer, container filled with the two-component developer, and image formation apparatus Hiroaki Matsuda, Masanori Suzuki, Akemi Sugiyama, Hiroto Higuchi, Tsunemi Sugiyama +3 more 2003-04-08
6468706 Two-component developer, container filled with the two-component developer, and image formation apparatus Hiroaki Matsuda, Masanori Suzuki, Akemi Sugiyama, Hiroto Higuchi, Tsunemi Sugiyama +3 more 2002-10-22
6432590 Electrophotographic toner and image forming method using the toner Hideyuki Ueda, Shohichi Sugimoto, Satoru Miyamoto, Osamu Uchinokura, Tamotsu Kajihara +2 more 2002-08-13
6303257 Electrophotographic toner and image forming method using the toner Yasuaki Iwamoto, Masahide Yamashita 2001-10-16
6255028 Electrophotographic toner and image forming method using the toner Shinichi Kuramoto, Hiroshi Yamashita, Masato Igarashi, Nobutaka Kinoshita, Kohsuke Suzuki 2001-07-03
6221549 Toner for developing latent electrostatic images, binder resin for use in the toner, and image formation method using the toner Shigeru Emoto, Masahide Yamashita 2001-04-24
5747210 Electrostatic image developing toner and method for producing the toner Shigeru Emoto, Youichi Maekawa, Kazuhito Watanabe, Kouki Katoh 1998-05-05