SH

Shigeo Hatada

Ricoh Company: 15 patents #1,477 of 9,818Top 20%
Overall (All Time): #324,058 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
8680175 Inkjet ink, and ink cartridge, inkjet recording method, inkjet recording apparatus and ink record using the same Keishi Taniguchi, 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 Keishi Taniguchi, 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, Keishi Taniguchi, Minoru Hakiri, Yasuyuki Hosogi, Yuji Natori 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, Keishi Taniguchi, Minoru Hakiri, Yasuyuki Hosogi, Yuji Natori 2010-10-19
7798629 Pigment dispersion, inkjet-ink using the pigment dispersion, image forming process, and image forming apparatus Minoru Hakiri, Keishi Taniguchi, Yuji Natori, Yasuyuki Hosogi, Shin Hasegawa 2010-09-21
7454881 Method of sealing a cylindrical inlet of a bag Shinya Hanatani, Moriaki Saito, Masami Iguchi, Hideki Satoh, Michio Urata 2008-11-25
6881251 Inkjet ink composition, method for manufacturing the inkjet ink composition and image forming method using the inkjet ink composition Keishi Taniguchi 2005-04-19
6863386 INK MIXING DEVICE, INK MANUFACTURING APPARATUS, METHOD FOR WASHING THE INK MANUFACTURING APPARATUS, METHOD FOR MANUFACTURING INK, INK, INK CARTRIDGE CONTAINING THE INK, IMAGE FORMING METHOD AND APPARATUS USING THE INK, AND PRINT IMAGE PRODUCED BY THE IMAGE FORMING METHOD AND APPARATUS Masami Iguchi, Takanori Tsuyuki, Hiromitsu Mizuno 2005-03-08
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 Keishi Taniguchi 2004-11-09
6696390 Image transfer sheet, method for forming image on the image transfer sheet and image transfer method using the image transfer sheet Keishi Taniguchi 2004-02-24
6565642 Pigment dispersion liquid and method of producing the same Keishi Taniguchi 2003-05-20
6316080 Fluid-releasable image transfer sheet Keishi Taniguchi 2001-11-13
6309734 Image transfer sheet and image forming method using the image transfer sheet Keishi Taniguchi 2001-10-30
6284349 Image transfer sheet, preparation method thereof and image formation method and image transfer method using the image transfer sheet Keishi Taniguchi 2001-09-04
6103042 Image transfer sheet and image transfer method using the same Keishi Taniguchi 2000-08-15