YO

Yasuhiro Oya

FI Fujifilm Business Innovation: 13 patents #720 of 5,238Top 15%
DE Denso: 2 patents #4,986 of 11,792Top 45%
NC Nippondenso Co.: 2 patents #1,150 of 3,479Top 35%
Overall (All Time): #271,366 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11274974 Temperature sensor Itsuhei Ogata, Mitsuhiro Konno, Chiaki Ogawa 2022-03-15
8592124 Toner for development of electrostatic image, electrostatic image developer, toner cartridge, process cartridge, and image forming apparatus Atsuhiko Eguchi 2013-11-26
7906264 Electrostatic latent image developing toner and method for producing the same, and electrostatic latent image developer, toner cartridge, process cartridge and image forming apparatus Masaru Takahashi, Hirokazu Hamano, Atsushi Sugawara, Masaki Nakamura 2011-03-15
7214459 Toner for developing electrostatic charged images and developer for developing electrostatic charged images, and image forming method using the same Akihiro Iizuka, Atsuhiko Eguchi, Masahiro Okita 2007-05-08
7138215 Process cartridge, image forming apparatus and image forming method Tomohiro Takeda, Daisuke Ishizuka 2006-11-21
6733938 Toner for developing electrostatic latent image, two-component developer, and image-forming process Masanobu Ninomiya, Hidekazu Yaguchi, Hirokazu Hamano, Haruhide Ishida 2004-05-11
6444389 Toner for developing electrostatic latent image, two-component developer and image-forming process Masanobu Ninomiya, Hidekazu Yaguchi, Hirokazu Hamano, Haruhide Ishida 2002-09-03
6383704 Full color electrophotographic toner, full color electrophotographic developer and image forming method Rieko Kataoka, Susumu Yoshino, Akihiro Iizuka, Koutarou Yoshihara, Haruhide Ishida +4 more 2002-05-07
6203958 Toner and method of image formation using the same Susumu Yoshino, Masanobu Ninomiya, Hirokazu Hamano, Kaori Oishi, Tetsuya Taguchi +1 more 2001-03-20
6187489 Electrostatic latent image developing toner and image-forming process Kaori Oishi, Susumu Yoshino, Hirokazu Hamano, Masanobu Ninomiya, Tetsuya Taguchi +1 more 2001-02-13
6132915 Image-forming process Susumu Yoshino, Masanobu Ninomiya, Hirokazu Hamano, Koutarou Yoshihara, Kaori Oishi +2 more 2000-10-17
6040102 Electrostatic latent image developer and image forming method Sakon Takahashi, Shinpei Takagi, Noriyuki Mizutani, Haruhide Ishida 2000-03-21
5958642 Toner for developing an electrostatic charge image, developing agent for electrostatic charge image and image formation method Shinpei Takagi, Etsuo Tominaga, Toyohumi Inoue, Tomohiro Takeda, Masahiro Uchida +7 more 1999-09-28
5831251 Heater unit having increased dielectric strength Keiichi Yamada, Yosinori Akiyama, Yasuaki Tsujimura 1998-11-03
5821023 Developer of electrostatic latent image, carrier therefor, method for forming image and image forming apparatus thereby Yuusaku Shibuya, Haruhide Ishida, Susumu Yoshino, Hirokazu Hamano, Kaori Ohishi +4 more 1998-10-13
5729189 Positive TCR thermistor device having surface roughness and filling oil for high heat transfer characteristics Keiichi Yamada, Yasuaki Tsujimura, Naoto Miwa 1998-03-17
5354969 Positive-temperature-coefficient thermistor heating device and process for production of the same Yosinori Akiyama, Akio Nara, Hidetaka Hayashi, Keiichi Yamada, Yasuaki Tsujimura 1994-10-11