KK

Keiji Katoh

Sharp Kabushiki Kaisha: 4 patents #3,475 of 10,731Top 35%
HC Hitachi Electronics Engineering Co.: 1 patents #61 of 175Top 35%
📍 Nara, JP: #789 of 2,795 inventorsTop 30%
Overall (All Time): #1,036,950 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6868239 Developer detection device and printer Atsushi Inoue, Toshio Nishino, Wataru Yoshida, Fumito Mizoguchi, Toshihide Ohgoshi 2005-03-15
5877857 Eccentricity tester for head turnout zone of magnetic disk and testing method thereof Osamu Ishiwata, Takayuki Ishiguro 1999-03-02
5794109 Developing apparatus having recessed sections on developing roller Toshihiro Ota, Shigeyuki Wakada, Eiichi Kido, Yuhi Yui 1998-08-11
D394450 Developing unit for printer and facsimile Hiroshige Araki, Yasuo Imai 1998-05-19
5640651 Developing device Hiroshige Araki, Yasuo Imai, Shigeyuki Wakada, Eiichi Kido, Toshihiro Ota +1 more 1997-06-17