SK

Shoji Koike

Canon: 131 patents #49 of 19,416Top 1%
RE Ricoh Elemex: 4 patents #7 of 49Top 15%
Overall (All Time): #7,908 of 4,157,543Top 1%
134
Patents All Time

Issued Patents All Time

Showing 26–50 of 134 patents

Patent #TitleCo-InventorsDate
7544237 Ink-jet recording ink, ink-jet recording process, and ink-jet recording apparatus Ryota Kato 2009-06-09
7464965 Water-based fluorescent ink, recorded image using the same, and judging method Masako Udagawa, Makoto Aoki, Akira Nagashima, Shinichi Hakamada 2008-12-16
7449056 Ink-jet recording ink, recording method and recording apparatus Ryota Kato 2008-11-11
7429291 Print ink containing a plurality of fluorescent coloring materials and inkjet recording method Masako Udagawa, Sadayuki Sugama, Makoto Aoki, Akira Nagashima, Shinichi Hakamada 2008-09-30
7314276 Ink-jet recording method, ink-jet ink, ink-jet recording unit, ink cartridge for ink-jet recording and ink-jet recording apparatus Yoshihisa Yamashita, Kohei Watanabe, Hayato Ida 2008-01-01
7306664 Ink-jet recording ink, ink-jet recording method, and ink-jet recording apparatus Ryota Kato 2007-12-11
7300505 Ink-jet recording ink, ink cartridge, recording unit, ink-jet recording method, ink-jet recording apparatus, and method for stabilizing ink ejection Yoshihisa Yamashita, Kohei Watanabe, Hayato Ida 2007-11-27
7241333 Ink-jet recording method, ink-jet ink, ink-jet recording unit, ink cartridge for ink-jet recording and ink-jet recording apparatus Yoshihisa Yamashita, Kohei Watanabe, Hayato Ida 2007-07-10
7185978 Recording method, ink cartridge, printing device and information recording apparatus Akira Nagashima, Shinichi Hakamada 2007-03-06
7144449 Print ink containing a plurality of fluorescent coloring materials and inkjet recording method Masako Udagawa, Sadayuki Sugama, Makoto Aoki, Akira Nagashima, Shinichi Hakamada 2006-12-05
7141105 Water-based fluorescent ink, recorded image using the same, and judging method Masako Udagawa, Makoto Aoki, Akira Nagashima, Shinichi Hakamada 2006-11-28
7060123 Fluorescent ink, and ink cartridge recording unit, ink-jet recording method, and ink-jet recording apparatus employing the fluorescent ink Shinichi Hakamada, Akira Nagashima 2006-06-13
7055943 Ink set for ink-jet recording, recording unit, ink-jet recording apparatus and ink-jet recording method Mariko Suzuki, Makoto Aoki, Koromo Shirota, Hideki Takayama, Yasuhiro Nito 2006-06-06
7029109 Ink, ink set, ink jet recording method, ink jet recording apparatus, recording unit and ink cartridge Koromo Shirota, Makoto Aoki, Mariko Suzuki, Hideki Takayama, Yasuhiro Nito 2006-04-18
6874881 Ink, ink cartridge, recording unit, ink jet recording method, ink jet recording apparatus and method for stabilizing ink discharge Mariko Suzuki, Makoto Aoki, Koromo Shirota, Hideki Takayama, Yasuhiro Nito 2005-04-05
6835239 Fluorescent ink, and ink cartridge, recording unit, ink-jet recording method, and ink-jet recording apparatus employing the fluorescent ink Shinichi Hakamada, Akira Nagashima 2004-12-28
6723137 Printing process, print obtained by the process and processed article Shinichi Hakamada, Koromo Shirota 2004-04-20
6705717 Ink-jet printer and printing system capable of printing on clothes and papers, ink to be used in the system and production method for producing article with employing the system Miyuki Fujita, Masahiro Haruta, Hiromitsu Hirabayashi, Nobuyuki Kuwabara, Yuji Akiyama 2004-03-16
6698876 Aqueous fluorescent ink, recording unit, ink cartridge, ink jet recording apparatus, and ink jet recording method Shinichi Sato, Shinichi Hakamada, Hideki Takayama 2004-03-02
6676254 Recording method, ink cartridge, printing device and information recording apparatus Akira Nagashima, Shinichi Hakamada 2004-01-13
6641651 Ink-jet ink, ink cartridge and recording unit, and ink-jet recording process and ink-jet recording apparatus using the same Mariko Suzuki 2003-11-04
6631985 Ink-jet textile printing system, ink-jet textile printing apparatus, and ink-jet textile printing method Shigeki Koizumi, Makoto Aoki, Koromo Shirota, Minoru Kobayashi 2003-10-14
6619791 Aqueous ink, organic pigment powder, ink cartridge, recording unit and ink-jet recording apparatus Shinichi Tochihara, Masaaki Hiro, Koromo Shirota 2003-09-16
6613821 Cloth treating agent, cloth, textile printing process and print Mariko Suzuki 2003-09-02
6552156 Water-soluble addition polymer and aqueous ink using the same Hiromichi Noguchi, Masahiro Haruta, Koromo Shirota, Tomoya Yamamoto, Mariko Suzuki +1 more 2003-04-22