MO

Masahiro Ohki

Ricoh Company: 20 patents #1,076 of 9,818Top 15%
NE Nec: 7 patents #2,006 of 14,502Top 15%
Overall (All Time): #147,474 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
8137883 Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container Ryota Inoue, Shigeru Emoto, Naohiro Watanabe, Masahide Yamada, Akinori Saitoh +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, Masahide Yamada, Tsunemi Sugiyama +4 more 2012-02-28
8034524 Toner and image forming method using the toner Ryota Inoue, Sonoh Matsuoka, Chiaki Tanaka, Naohiro Watanabe, Masahide Yamada +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, Masahide Yamada, Tsunemi Sugiyama +4 more 2011-09-27
8007977 Toner and image forming method using the toner Ryota Inoue, Sonoh Matsuoka, Chiaki Tanaka, Naohiro Watanabe, Masahide Yamada +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, Masahide Yamada, Akinori Saitoh +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, Sonoh Matsuoka +4 more 2011-04-26
7820350 Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method Masahide Yamada, Shigeru Emoto, Naohiro Watanabe, Akinori Saitoh, Shinichi Wakamatsu 2010-10-26
7695883 Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same Masahide Yamada, Ryota Inoue, Naohiro Watanabe, Shigeru Emoto, Akinori Saitoh +9 more 2010-04-13
7670741 Toner Masahide Yamada, Akinori Saitoh 2010-03-02
7666563 Toner and developer using the toner Naohiro Watanabe, Ryota Inoue, Masahide Yamada, 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, Masahide Yamada +2 more 2009-06-23
7531279 Toner manufacturing method, toner and developer Naohiro Watanabe, Shigeru Emoto, Chiaki Tanaka, Masahide Yamada, Akinori Saitoh +1 more 2009-05-12
7504188 Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same Masahide Yamada, Ryota Inoue, Naohiro Watanabe, Shigeru Emoto, Akinori Saitoh +9 more 2009-03-17
7483697 System for managing mobile node in mobile network 2009-01-27
7459255 Toner and developer, toner container, process cartridge, image-forming apparatus, and image-forming method using the same Chiaki Tanaka, Naohiro Watanabe, Masahide Yamada, Akinori Saitoh, Sonoh Matsuoka +2 more 2008-12-02
7449273 Toner containing unsaturated polyester in binder resin, method for preparing the toner, and developer including the toner Naohiro Watanabe, Ryota Inoue, Akinori Saitoh, Sonoh Matsuoka, Masahide Yamada +1 more 2008-11-11
7374848 Toner and method or preparing the toner Sonoh Matsuoka, Ryohta Inoue, Takeshi Takada, Chiaki Tanaka, Naohiro Watanabe +1 more 2008-05-20
7348121 Toner, method for manufacturing the toner, developer including the toner, toner container containing the toner, and image forming method, image forming apparatus and process cartridge using the toner Ryohta Inoue, Naohiro Watanabe, Masahide Yamada, Sonoh Matsuoka, Chiaki Tanaka +2 more 2008-03-25
7348117 Toner, method for manufacturing the toner, developer including the toner, toner container containing the toner, and image forming method, image forming apparatus and process cartridge using the toner Ryohta Inoue, Naohiro Watanabe, Masahide Yamada, Sonoh Matsuoka, Chiaki Tanaka +2 more 2008-03-25
7235338 Toner and image forming method and process cartridge for image forming apparatus using the toner Takeshi Takada, Toyoshi Sawada, Keiko Shiraishi, Masashi Nagayama 2007-06-26
6363100 Radio data communication system using spread spectrum scheme Yukitsuna Furuya 2002-03-26
6310865 High-speed wireless access device 2001-10-30
6188680 Radio ATM transceiver 2001-02-13
5963559 Radio transmission with a slow transmission mode used when retransmission of a data frame fails even repeated 1999-10-05