FS

Fumihiro Sasaki

Ricoh Company: 53 patents #196 of 9,818Top 2%
JG Japan Gore-Tex: 3 patents #12 of 90Top 15%
SC Sanyo Electric Co.: 3 patents #1,910 of 6,347Top 35%
OC Olympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
📍 Numazu, JP: #14 of 856 inventorsTop 2%
Overall (All Time): #40,296 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 26–50 of 59 patents

Patent #TitleCo-InventorsDate
7179577 Carrier for developer for developing electrostatic latent image, image forming method using same and image forming apparatus using same Hiroaki Matsuda, Hiroyuki Yoshikawa 2007-02-20
7166404 Carrier for developer for developing electrostatic latent image, image forming method using same and image forming apparatus using same Hiroaki Matsuda, Hiroyuki Yoshikawa 2007-01-23
7157201 Toner for developing latent electrostatic image, container having the same, developer using the same, process for developing using the same, image-forming process using the same, image-forming apparatus using the same, and image-forming process cartridge using the same Masami Tomita, Tadao Takikawa, Tomoyuki Ichikawa, Toshiki Nanya, Hiroto Higuchi +4 more 2007-01-02
7157199 Toner, developer including the toner, container containing the toner or the developer and method of producing the toner Shigeru Emoto, Shinichiro Yagi, Naohito Shimota, Maiko Kondo, Toshiki Nanya +3 more 2007-01-02
7129013 Toner and developer for developing latent electrostatic images, and image forming apparatus Hiroto Higuchi, Masami Tomita, Shigeru Emoto, Naohito Shimota, Maiko Kondo +5 more 2006-10-31
7083890 Toner and image forming apparatus using the toner Shigeru Emoto, Toshiki Nanya, Naohito Shimota, Maiko Kondo, Shinichiro Yagi +3 more 2006-08-01
7056636 Dry toner, and process cartridge, image forming process and apparatus using the same Masami Tomita, Toshiki Nanya, Hiroto Higuchi, Shinichiro Yagi, Shigeru Emoto +4 more 2006-06-06
7056638 Toner for electrophotography, developer using the same, process cartridge using the same, image-forming apparatus using the same, and image-forming process using the same Masami Tomita, Toshiki Nanya, Shigeru Emoto, Shinichiro Yagi, Hiroto Higuchi +2 more 2006-06-06
7029816 Electrographic image formation method Mitsuo Aoki, Yasuaki Iwamoto, Naohito Shimota, Kazuyuki Yazaki, Hiroaki Matsuda +5 more 2006-04-18
6947692 Image forming method and apparatus Maiko Kondo, Toshiki Nanya, Shinichiro Yagi, Masami Tomita, Shigeru Emoto +3 more 2005-09-20
6924073 Toner for developing electrostatic latent image, toner cartridge, developer, developer cartridge, image forming method, and image forming apparatus Hiroto Higuchi, Mitsuo Aoki, Naohito Shimota, Kumi Hasegawa, Bing Shu +2 more 2005-08-02
6911289 Toner, method for manufacturing the toner, and image forming method and apparatus using the toner Hiroto Higuchi, Yasuaki Iwamoto, Hiroshi Nakai, Bing Shu, Hiroaki Matsuda +1 more 2005-06-28
6873814 Developing device using a two-ingredient type developer and image forming apparatus including the same Tokuya Ohjimi, Hiroto Higuchi, Maiko Kondo, Toshio Koike, Atsushi Sampe +4 more 2005-03-29
6856774 Developing device including magnetic member provided on toner-scattering restraining device and image forming apparatus including the developing device Atsushi Sampe, Takeyoshi Sekine, Masayuki Yamane, Tokuya Ohjimi, Junichi Sano +4 more 2005-02-15
6856781 Image forming apparatus and method of developing an electrostatic latent image Hiroaki Matsuda, Yasuaki Iwamoto, Hiroshi Nakai, Hiroto Higuchi, Bing Shu +1 more 2005-02-15
6835517 Toner, developer and image forming method using the toner Maiko Kondo, Yasuaki Iwamoto, Hiroto Higuchi, Bing Shu, Yasushi Koichi 2004-12-28
6811944 Toner, method for manufacturing the toner, and image forming method and apparatus using the toner Hiroto Higuchi, Yasuaki Iwamoto, Hiroshi Nakai, Bing Shu, Hiroaki Matsuda +1 more 2004-11-02
6813461 Toner, method for manufacturing the toner, and image forming method and apparatus using the toner Hiroto Higuchi, Yasuaki Iwamoto, Hiroshi Nakai, Bing Shu, Hiroaki Matsuda +1 more 2004-11-02
6790575 Two-component developer, image forming apparatus, and image forming method Hiroaki Matsuda, Bing Shu, Maiko Kondo, Hiroshi Nakai, Hiroto Higuchi +5 more 2004-09-14
6699632 Image forming toner, and image forming method and image forming apparatus using the toner Hiroto Higuchi, Yasuaki Iwamoto, Hiroaki Matsuda, Hiroshi Nakai, Bing Shu +1 more 2004-03-02
6667141 Image forming method and apparatus Yasuaki Iwamoto, Hiroaki Matsuda, Hiroshi Nakai, Hiroto Higuchi, Bing Shu +1 more 2003-12-23
6593048 Two-component developer, and image forming apparatus and image forming method using the developer Yasuaki Iwamoto, Hiroaki Matsuda, Hiroshi Nakai, Hiroto Higuchi, Hyou Shu +1 more 2003-07-15
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
6522107 DC-DC converter circuit for preventing beat interference 2003-02-18
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