KT

Keishi Taniguchi

Ricoh Company: 45 patents #286 of 9,818Top 3%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #61,087 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 25 most recent of 47 patents

Patent #TitleCo-InventorsDate
8680175 Inkjet ink, and ink cartridge, inkjet recording method, inkjet recording apparatus and ink record using the same Shigeo Hatada, Shigeru Kusakata, Ichiroh Fujii, Akihiko Matsuyama, Yuuki Yokohama 2014-03-25
8317913 Inkjet ink, and ink cartridge, inkjet recording method, inkjet recording apparatus and ink record using the same Shigeo Hatada, Shigeru Kusakata, Ichiroh Fujii, Akihiko Matsuyama, Yuuki Yokohama 2012-11-27
8246156 Water-based pigment dispersion, production method thereof, water-based pigment ink, production method thereof, ink record, inkjet recording apparatus, and inkjet recording method Shin Hasegawa, Minoru Hakiri, Yasuyuki Hosogi, Yuji Natori, Shigeo Hatada 2012-08-21
7815301 Water-based pigment dispersion, production method thereof, water-based pigment ink, production method thereof, ink record, inkjet recording apparatus, and inkjet recording method Shin Hasegawa, Minoru Hakiri, Yasuyuki Hosogi, Yuji Natori, Shigeo Hatada 2010-10-19
7798629 Pigment dispersion, inkjet-ink using the pigment dispersion, image forming process, and image forming apparatus Minoru Hakiri, Yuji Natori, Yasuyuki Hosogi, Shigeo Hatada, Shin Hasegawa 2010-09-21
7152968 Image formation method Mamoru Soga, Hidekazu Arase, Masaichiro Tatekawa, Tsutomu Matsuda, Masashi Ito +1 more 2006-12-26
7101919 Inkjet, inkjet cartridge containing the inkjet ink, inkjet recording apparatus using the inkjet ink, inkjet recording method using the inkjet ink, and image formed by the inkjet recording method Shin Hasegawa, Minoru Hakiri, Yasuyuki Hosogi 2006-09-05
6929686 Ink composition for inkjet recording Mamoru Soga, Hidekazu Arase, Masaichiro Tatekawa, Tsutomu Matsuda, Masashi Ito +1 more 2005-08-16
6881251 Inkjet ink composition, method for manufacturing the inkjet ink composition and image forming method using the inkjet ink composition Shigeo Hatada 2005-04-19
6814792 Pigment dispersion, inkjet ink composition using the pigment dispersion, method of manufacturing the inkjet ink composition and image forming method using the inkjet ink composition Shigeo Hatada 2004-11-09
6786959 PIGMENT DISPERSION, METHOD FOR PREPARING THE PIGMENT DISPERSION, INKJET INK USING THE PIGMENT DISPERSION, METHOD FOR PREPARING THE INKJET INK, INK CARTRIDGE CONTAINING THE INKJET INK, IMAGE FORMING METHOD AND APPARATUS USING THE INKJET INK, AND PRINT IMAGE PRODUCED BY THE IMAGE FORMING METHOD AND APPARATUS Minoru Hakiri, Shin Hasegawa 2004-09-07
6696390 Image transfer sheet, method for forming image on the image transfer sheet and image transfer method using the image transfer sheet Shigeo Hatada 2004-02-24
6656879 Method of reversible selective manifestation of different states of functional element Kyoji Tsutsui, Takehito Yamaguchi, Hideaki Ema, Masaru Shimada, Hiroshi Goto +5 more 2003-12-02
6565642 Pigment dispersion liquid and method of producing the same Shigeo Hatada 2003-05-20
6555705 Thermosensitive recording material and phthalic acid derivatives for use in the same Hiromi Furuya, Hideo Suzaki 2003-04-29
6348519 Emulsion ink and printing method using emulsion ink Kouichi Ohshima, Masanaga Imamura, Eiichi Kawamura, Hiroshi Adachi 2002-02-19
6316080 Fluid-releasable image transfer sheet Shigeo Hatada 2001-11-13
6309734 Image transfer sheet and image forming method using the image transfer sheet Shigeo Hatada 2001-10-30
6284349 Image transfer sheet, preparation method thereof and image formation method and image transfer method using the image transfer sheet Shigeo Hatada 2001-09-04
6217694 Image transfer method and image-receiving member therefor 2001-04-17
6103042 Image transfer sheet and image transfer method using the same Shigeo Hatada 2000-08-15
6063835 Emulsion ink and printing method using emulsion ink Kouichi Ohshima, Masanaga Imamura, Eiichi Kawamura, Hiroshi Adachi 2000-05-16
6042984 Image forming method and image supporting material 2000-03-28
5981077 Image transfer sheet and image forming method therefor 1999-11-09
5834396 Sublimation-type thermal image transfer recording medium and thermal image transfer recording method using the same Hiroyuki Uemura, Hiroki Kuboyama, Chiharu Nogawa 1998-11-10