TI

Takao Ishiyama

FI Fujifilm Business Innovation: 26 patents #226 of 5,238Top 5%
Canon: 4 patents #10,118 of 19,416Top 55%
Overall (All Time): #125,799 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
7901857 Electrostatic latent image developing toner, production method thereof, electrostatic latent image developer, and image forming method Hiroshi Nakazawa, Masanobu Ninomiya 2011-03-08
7745085 Toner for developing electrostatic latent image and method of manufacturing same, electrostatic latent image developer, cartridge, and image forming apparatus Takashi Inukai, Akitsugu Seto, Tomohito Nakajima 2010-06-29
7560211 Toner for electrostatic charge development, method for manufacturing the toner, and method for forming an image Hiroshi Nakazawa, Masanobu Ninomiya 2009-07-14
7531276 Color image forming method and color toner forming method Masanobu Ninomiya, Hiroshi Nakazawa 2009-05-12
7514194 Toner for developing electrostatic latent image and production method thereof, electrostatic latent image developer, image forming method, and image forming apparatus Masakazu Iijima, Masaaki Suwabe, Yasuo Kadokura, Michio Take, Hiroshi Nakazawa 2009-04-07
7422834 Electrostatic latent image developing magenta toner, electrostatic latent image developer, toner manufacturing method, and image forming method Hitomi Akiyama, Takashi Hara, Kazuya Mori, Junichi Tomonaga, Yuji Isshiki +4 more 2008-09-09
7399567 Toner for electrostatic latent image development, electrostatic latent image developer containing the toner, and image formation method using the developer Yasuo Kadokura, Masakazu Iijima, Tomohito Nakajima, Satoshi Yoshida, Michio Take 2008-07-15
7396628 Toner for electrostatic charge image developing, developer for electrostatic charge image developing, and image forming apparatus Masanobu Ninomiya, Hiroshi Nakazawa 2008-07-08
7374854 Image-forming method and image-forming apparatus using the same Masanobu Ninomiya, Hiroshi Nakazawa, Toshiyuki Yano 2008-05-20
7368214 Electrostatic latent image developing toner and manufacturing method thereof Hiroshi Nakazawa, Masanobu Ninomiya, Hideo Maehata, Yutaka Sugizaki, Shinpei Takagi 2008-05-06
7291434 Toner for electrostatically charged image development, manufacturing method thereof, image forming method, and image forming apparatus using the image forming method Masakazu Iijima, Tomohito Nakajima, Satoshi Yoshida, Eisuke Iwazaki 2007-11-06
7267920 Toner for developing electrostatic latent images, production method thereof, and electrostatic latent image developer using the same Hiroshi Nakazawa, Yutaka Sugizaki, Kazufumi Tomita, Shuji Sato, Akira Matsumoto +2 more 2007-09-11
7183034 Image forming method, image forming apparatus and toner cartridge Hiroshi Kamada, Masaaki Suwabe, Yasuo Kadokura, Michio Take 2007-02-27
6916586 Toner for electrostatic charged image development and process for preparing the same, as well as image forming method, image forming apparatus and toner cartridge Hiroshi Nakazawa, Shuji Sato, Yosuke Tsurumi, Yasuhiro Arima, Takashi Imai 2005-07-12
6887638 Toner for developing electrostatic latent image, process for producing the same, process for forming image, apparatus for forming image and toner cartridge Shuji Sato, Hiroshi Kamada, Masakazu Iijima 2005-05-03
6838220 Toner for developing electrostatic image, process for producing toner for developing electrostatic image, developer for developing electrostatic image, and process for forming image Yasuo Matsumura, Hiroshi Takano, Masaaki Suwabe, Shuji Sato 2005-01-04
6733944 Image forming process Yasuo Kadokura, Masaaki Suwabe, Shuji Sato, Hiroshi Kamada 2004-05-11
6558864 Toner for developing electrostatic image, method for producing the same, electrostatic image developer, method for forming image and image forming apparatus Hiroshi Takano, Yasuo Kadokura, Yasuo Matsumura, Hideo Maehata, Masaaki Suwabe +1 more 2003-05-06
6440627 Toner for developing electrostatic image, process for preparation of the same, developer for electrostatic image, and process for forming image Takeshi Shoji, Shuji Sato, Manabu Serizawa, Masaaki Suwabe, Yasuo Matsumura 2002-08-27
6391510 Toner for developing electrostatic latent image, process for producing the same, developer and process for producing image Manabu Serizawa, Takeshi Shoji, Yasuo Matsumura, Hideo Maehata 2002-05-21
6333131 Toner for the development of electrostatic image, process for the preparation thereof, electrostatic image developer, and process for the formation of image Manabu Serizawa, Takeshi Shoji, Shuji Sato, Takashi Inukai 2001-12-25
6329114 Electrostatic image developing toner, production method thereof, electrostatic image developer and image-forming process Yukiko Watanabe, Manabu Serizawa, Takeshi Shoji, Yasuo Matsumura 2001-12-11
6294302 Toner for developing static image, developer for developing static image, and image forming method Manabu Serizawa, Takeshi Shoji, Yukiko Watanabe, Hideo Maehata 2001-09-25
6153346 Electrostatic image developing toner, process for the production thereof, electrostatic image developer and process for the formation of image Hideo Maehata, Shuji Sato, Yasuo Kadokura, Masaaki Suwabe, Hisae Yoshizawa +1 more 2000-11-28
6132921 Toner for electrostatic-charged image developer and production method thereof, electrostatic-charged image developer, and image-forming process Manabu Serizawa, Takeshi Shoji, Yukiko Watanabe, Yasuo Matsumura 2000-10-17