MY

Masahide Yamada

Ricoh Company: 48 patents #249 of 9,818Top 3%
Samsung: 7 patents #17,688 of 75,807Top 25%
MC Mitsuba Electric Manufacturing Co.: 2 patents #43 of 176Top 25%
DL Denka Company Limited: 1 patents #223 of 434Top 55%
HT Hoya Lens Thailand: 1 patents #59 of 94Top 65%
WC Wakamoto Pharmaceutical Co.: 1 patents #45 of 99Top 50%
Overall (All Time): #39,126 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 26–50 of 60 patents

Patent #TitleCo-InventorsDate
8808955 Toner and development agent, image forming apparatus, and process cartridge using the same Shinya Nakayama, Atsushi Yamamoto, Hideyuki Santo, Daiki Yamashita, Suzuka Amemori 2014-08-19
8795939 Toner, and developer and image forming apparatus using the toner Atsushi Yamamoto, Shinya Nakayama, Hideyuki Santo, Suzuka Amemori 2014-08-05
8795940 Toner and developer Tsuyoshi Sugimoto, Hiroshi Yamashita, Daisuke Asahina, Rintaro Takahashi, Shinya Nakayama +2 more 2014-08-05
8735040 Toner, developer, and image forming apparatus Suzuka Amemori, Yoshihiro Moriya, Taichi Nemoto, Yukiko Nakajima, Yoshitaka Yamauchi +3 more 2014-05-27
8685604 Toner, developer, and image forming apparatus Yoshihiro Moriya, Taichi Nemoto, Yukiko Nakajima, Yoshitaka Yamauchi, Daiki Yamashita +3 more 2014-04-01
8603715 Toner and image forming apparatus Suzuka Amemori, Atsushi Yamamoto, Shinya Nakayama, Hideyuki Santo, Daiki Yamashita 2013-12-10
8580476 Method for preparing particulate release agent, toner using the particulate release agent, and method for preparing the toner Chiaki Tanaka, Masahiro Kawamoto, Tatsunori Kamiyama, Satoshi Izumi 2013-11-12
8492063 Method of manufacturing toner Junichi Awamura, Akinori Saitoh, Osamu Uchinokura, Tomomi Suzuki 2013-07-23
8192911 Method of manufacturing toner and toner Junichi Awamura, Akinori Saitoh, Osamu Uchinokura, Tomomi Suzuki 2012-06-05
8178276 Method of manufacturing toner Osamu Uchinokura, Akinori Saitoh, Junichi Awamura, Hiroshi Yamada 2012-05-15
8137883 Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container Ryota Inoue, Shigeru Emoto, Naohiro Watanabe, Akinori Saitoh, Masahiro Ohki +4 more 2012-03-20
8124308 Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming method Naohiro Watanabe, Shigeru Emoto, Yohichiroh Watanabe, Tsunemi Sugiyama, Masahiro Ohki +4 more 2012-02-28
8034524 Toner and image forming method using the toner Ryota Inoue, Sonoh Matsuoka, Chiaki Tanaka, Naohiro Watanabe, Masahiro Ohki +1 more 2011-10-11
8026031 Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming method Naohiro Watanabe, Shigeru Emoto, Yohichiroh Watanabe, Tsunemi Sugiyama, Masahiro Ohki +4 more 2011-09-27
8007977 Toner and image forming method using the toner Ryota Inoue, Sonoh Matsuoka, Chiaki Tanaka, Naohiro Watanabe, Masahiro Ohki +1 more 2011-08-30
7989131 Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container Ryota Inoue, Shigeru Emoto, Naohiro Watanabe, Akinori Saitoh, Masahiro Ohki +4 more 2011-08-02
7932007 Toner and method for producing the same, and image-forming method using the same Hiroshi Yamashita, Chiaki Tanaka, Yohichiroh Watanabe, Tsunemi Sugiyama, Masahiro Ohki +4 more 2011-04-26
7824834 Toner for developing electrostatic image, method for preparing the toner, and image forming method and apparatus using the toner Junichi Awamura, Akinori Saitoh, Toyoshi Sawada, Takuya Seshita, Tomomi Suzuki 2010-11-02
7824831 Toner Akinori Saitoh, Osamu Uchinokura, Junichi Awamura 2010-11-02
7820350 Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method Shigeru Emoto, Naohiro Watanabe, Masahiro Ohki, Akinori Saitoh, Shinichi Wakamatsu 2010-10-26
7799498 Toner used for image forming apparatus Takuya Seshita, Junichi Awamura, Tomomi Suzuki, Toyoshi Sawada 2010-09-21
7695883 Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same Ryota Inoue, Naohiro Watanabe, Shigeru Emoto, Masahiro Ohki, Akinori Saitoh +9 more 2010-04-13
7670741 Toner Akinori Saitoh, Masahiro Ohki 2010-03-02
7666563 Toner and developer using the toner Masahiro Ohki, Naohiro Watanabe, Ryota Inoue, Akinori Saitoh, Shigeru Emoto +2 more 2010-02-23
7550245 Toner and production method of the same, and image forming method Ryota Inoue, Shigeru Emoto, Yohichiroh Watanabe, Naohiro Watanabe, Akinori Saitoh +2 more 2009-06-23