KO

Koichi Osumi

Canon: 23 patents #2,685 of 19,416Top 15%
SI Seiko I Infotech: 1 patents #12 of 34Top 40%
Overall (All Time): #174,874 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
8506041 Ink jet recording apparatus and in jet recording method Keiji Hosoi 2013-08-13
8353573 Waste ink absorbent member, and waste ink container and ink jet recording apparatus equipped with waste ink absorbent member Sadayuki Sugama, Shinichi Hakamada, Junichi Sakai, Yasuhiro Nito, Katsuhiko Suzuki 2013-01-15
8152273 Waste ink absorbent member, and waste ink container and ink jet recording apparatus equipped with waste ink absorbent member Sadayuki Sugama, Shinichi Hakamada, Junichi Sakai, Yasuhiro Nito, Katsuhiko Suzuki 2012-04-10
7297199 Ink jet ink, method for producing ink jet ink, ink jet recording method and ink cartridge Sadayuki Sugama 2007-11-20
7282090 Ink jet ink, method for producing ink jet ink, ink jet recording method and ink cartridge Sadayuki Sugama 2007-10-16
7244299 Ink jet recording ink, ink jet recording method, ink cartridge, and ink jet recording apparatus Itaru Tsuji, Shinichi Tochihara, Hiroshi Tomioka, Hiroyuki Takuhara, Minako Kawabe +1 more 2007-07-17
7208033 Ink, ink jet recording method, ink cartridge, and ink jet recording apparatus Minako Kawabe, Shinichi Tochihara, Hiroshi Tomioka, Hiroyuki Takuhara, Hideki Yamakami +1 more 2007-04-24
7195665 Ink jet ink, method for producing ink jet ink, ink jet recording method and ink cartridge Sadayuki Sugama 2007-03-27
7128779 Ink jet ink, method for producing ink jet ink, ink jet recording method and ink cartridge Sadayuki Sugama 2006-10-31
6572692 Ink, method for improving intermittent dischargeability of ink-jet recording apparatus, method for recording image, recording unit, ink cartridge, ink set, and image recording apparatus Shinya Mishina 2003-06-03
6547381 Ink, image recording process, ink cartridge, recording unit, ink set, crust-preventing method and image forming apparatus Tomonari Watanabe, Shinya Mishina 2003-04-15
6540329 IMAGE RECORDING METHOD, METHOD FOR IMPROVING QUALITY OF MULTICOLOR IMAGE, IMAGE RECORDING APPARATUS, INK SET, RECORDING UNIT, IMAGE FORMING METHOD, METHOD FOR IMPROVING IMAGE QUALITY, AND METHOD FOR FORMING MONOTONE IMAGE Takumi Kaneko, Nobuyuki Matsumoto, Masao Kato, Daisaku Ide, Yoichi Takada 2003-04-01
6533853 Ink, aqueous ink for ink-jet recording, ink set, ink cartridge, recording unit, image-recording apparatus, color-image-recording apparatus, ink-jet recording process and bleeding reducing method Shinya Mishina 2003-03-18
6521034 Ink, ink set, ink cartridge, recording unit, color-image recording apparatus, image recording process, color-image forming process, and method for improving density of ink-jet recorded image Shinya Mishina, Tomonari Watanabe 2003-02-18
6511534 Ink, ink set, ink cartridge, printing unit, image printing apparatus, ink-jet printing method, and coloring material Shinya Mishina, Shinichi Sato, Mikio Sanada 2003-01-28
6506239 LIQUID COMPOSITION, INK SET, RECORDING PROCESS, INK CARTRIDGE, RECORDING UNIT, PROCESS FOR FORMING MULTI-COLOR IMAGE, INK-JET APPARATUS, PROCESS FOR FACILITATING FIXING OF INK TO RECORDING MEDIUM, AND PROCESS FOR IMPROVING QUALITY OF MULTI-COLOR IMAGE Shinya Mishina 2003-01-14
6474804 Ink, ink set, ink-jet recording process, ink cartridge, recording unit and ink-jet recording apparatus Shinya Mishina, Hisashi Teraoka, Yuko Takada 2002-11-05
6425662 Ink set, ink-jet recording process, ink-jet recording apparatus, and method for alleviating formation of solid within common recovery-system unit Hisashi Teraoka, Shinya Mishina, Mikio Sanada 2002-07-30
6375317 Ink, ink-jet recording process, recording unit, ink cartridge and ink-jet recording apparatus Shinya Mishina, Mikio Sanada, Hisashi Teraoka 2002-04-23
6342095 Ink set, and recording method and recording instrument using the same Yoshihisa Takizawa, Hisashi Teraoka, Yoichi Takada 2002-01-29
6332919 Ink, ink set, ink cartridge, recording unit, image recording apparatus and image recording method Yoshifumi Hattori, Yoshihisa Takizawa, Shinya Mishina, Mikio Sanada, Hisashi Teraoka +1 more 2001-12-25
6280513 Ink, ink set, ink cartridge, recording unit, image recording apparatus and image recording method Yoshifumi Hattori, Yoshihisa Takizawa, Shinya Mishina, Mikio Sanada, Hisashi Teraoka +1 more 2001-08-28
6221141 Ink, ink-jet recording process, recording unit, ink cartridge and ink-jet recording apparatus Yoichi Takada, Yoshihisa Takizawa, Shinya Mishina, Mikio Sanada, Hisashi Teraoka 2001-04-24
5976233 Water-based pigment ink, and ink-jet recording method and instruments using the same Yoshifumi Hattori, Yoshihisa Takizawa, Ryuji Katsuragi, Hisashi Teraoka 1999-11-02