HH

Hiroto Higuchi

Ricoh Company: 6 patents #7 of 684Top 2%
Overall (2003): #6,429 of 273,478Top 3%
6
Patents 2003

Issued Patents 2003

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6670088 Carrier for two-component developer for developing latent electrostatic images and developer using the carrier Hiroaki Matsuda, Masanori Suzuki, Akemi Sugiyama 2003-12-30
6667141 Image forming method and apparatus Yasuaki Iwamoto, Fumihiro Sasaki, Hiroaki Matsuda, Hiroshi Nakai, Bing Shu +1 more 2003-12-23
6656654 Toner and two-component developer, container therefor, and image forming apparatus Masanori Suzuki, Hiroaki Matsuda, Akemi Sugiyama 2003-12-02
6593048 Two-component developer, and image forming apparatus and image forming method using the developer Fumihiro Sasaki, Yasuaki Iwamoto, Hiroaki Matsuda, Hiroshi Nakai, 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, Tsunemi Sugiyama, Fumihiro Sasaki +3 more 2003-04-08
6534232 ELECTROPHOTOGRAPHIC IMAGE FORMATION METHOD, CARRIER FOR TWO-COMPONENT DEVELOPER, TWO-COMPONENT DEVELOPER, CONTAINER HOLDING THEREIN THE TWO-COMPONENT DEVELOPER, AND ELECTROPHOTOGRAPHIC IMAGE FORMATION APPARATUS Hiroaki Matsuda, Masanori Suzuki, Akemi Sugiyama, Tsunemi Sugiyama 2003-03-18