MY

Masahide Yamashita

Ricoh Company: 68 patents #95 of 9,818Top 1%
NT NTT: 1 patents #2,911 of 4,871Top 60%
Overall (All Time): #29,455 of 4,157,543Top 1%
70
Patents All Time

Issued Patents All Time

Showing 26–50 of 70 patents

Patent #TitleCo-InventorsDate
8064782 Management device of an image forming apparatus Yasushi Nakazato, Kohji Ue, Jun Yamane, Osamu Satoh 2011-11-22
7991342 Protective material and image forming apparatus using the protective material Toshiyuki Kabata, Kumiko Hatakeyama, Kunio Hasegawa, Shinya Tanaka, Masato Iio +1 more 2011-08-02
7986910 Lubricant coater, image bearing unit, and image forming apparatus Toshiyuki Kabata, Kumiko Hatakeyama 2011-07-26
7979016 Image forming apparatus and protective agent block Kumiko Hatakeyama, Toshiyuki Kabata, Kunio Hasegawa 2011-07-12
7970334 Image-carrier protecting agent, protecting-layer forming device, image forming method, image forming apparatus, and process cartridge Hiroshi Nakai, Masato Iio, Shinya Tanaka, Naoyuki Ozaki 2011-06-28
7962054 Image forming apparatus having a function of predicting device deterioration based on a plurality of types of operation control information Yasushi Nakazato, Kohji Ue, Osamu Satoh, Jun Yamane, Hitoshi Shimizu +2 more 2011-06-14
7941087 Image-bearing member protecting agent, protective layer forming device, image forming method, image forming apparatus and process cartridge Shinya Tanaka, Hiroshi Nakai, Masato Iio, Kunio Hasegawa 2011-05-10
7920800 Image forming apparatus and failure detection method therefor Yasushi Nakazato, Kohji Ue, Osamu Satoh, Jun Yamane 2011-04-05
7826787 Protective-agent applying device, process cartridge, and image forming apparatus Kumiko Hatakeyama, Toshiyuki Kabata 2010-11-02
7738829 Process cartridge including photoconductor pre-coated with protective agent and image forming apparatus using same Kumiko Hatakeyama, Toshiyuki Kabata 2010-06-15
7734242 Protective layer setting unit, process cartridge, and image forming apparatus using same Kumiko Hatakeyama, Toshiyuki Kabata 2010-06-08
7713670 Developer, and image forming method using the developer Masami Tomita, Tomio Kondou, Kousuke Suzuki 2010-05-11
7693476 Image forming apparatus with protective agent applying unit and process cartridge Kumiko Hatakeyama, Toshiyuki Kabata 2010-04-06
7653339 Protective agent, image forming apparatus, and process cartridge Hiroshi Nakai, Masato Iio, Shinya Tanaka 2010-01-26
7384719 Carrier, developer including the carrier, and image forming apparatus using the developer Tomio Kondou, Kousuke Suzuki 2008-06-10
7344812 Developer for developing electrostatic latent image and image forming apparatus Kohsuke Suzuki, Satoshi Mochizuki, Tomio Kondou, Tomomi Tamura, Takayuki Koike 2008-03-18
7315711 Image forming apparatus, process cartridge and cleaningless system Osamu Ariizumi, Koji Suzuki, Yasushi Koichi, Shigekazu Enoki, Kumiko Hatakeyama +3 more 2008-01-01
7272347 Carrier, developer including the carrier, and image forming apparatus using the developer Satoshi Mochizuki, Tomio Kondou, Kohsuke Suzuki 2007-09-18
7252919 Carrier and developer for latent electrostatic image development, container housing developer, image forming process, image forming apparatus, and process cartridge Kousuke Suzuki, Tomio Kondou 2007-08-07
7226713 Carrier, developer including the carrier and image forming apparatus using the developer Satoshi Mochizuki, Tomio Kondou, Kohsuke Suzuki 2007-06-05
7218879 Image forming apparatus controlling polarity of residual toner and process cartridge for use in the same Shigekazu Enoki, Koji Suzuki, Yasushi Koichi, Osamu Ariizumi, Kumiko Hatakeyama +3 more 2007-05-15
7172846 Carrier, developer, image forming apparatus and process cartridge Tomio Kondou, Kohsuke Suzuki 2007-02-06
7144669 Carrier and developer for latent electrostatic image development, container housing developer, image forming process, image forming apparatus, and process cartridge Kousuke Suzuki, Tomio Kondou 2006-12-05
7122286 Toner for development of electrostatic latent images, method of forming images, image formation apparatus, toner container containing the toner therein, and image formation apparatus equipped with the toner container Masanori Suzuki, Yohichiroh Watanabe, Kazuhito Watanabe, Keiko Shiraishi, Kohki Katoh 2006-10-17
7049037 Color toner, method for manufacturing the toner, and image forming apparatus and method using the toner Kohki Katoh, Masanori Suzuki, Yohichiro Watanabe, Akihiro Kotsugai, Toyoshi Sawada +1 more 2006-05-23