KO

Kenichi Okawa

OL Olympus: 2 patents #1,626 of 3,097Top 55%
OC Olympus Optical Co.: 2 patents #1,178 of 2,334Top 55%
RK Riso Kagaku: 2 patents #230 of 551Top 45%
SC Sumitomo Chemical: 2 patents #1,792 of 4,033Top 45%
WC Wacom Co.: 2 patents #187 of 357Top 55%
Overall (All Time): #478,422 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12229400 Handwriting input device Naoto Onoda 2025-02-18
11880563 Handwriting input device Naoto Onoda 2024-01-23
8231211 Image recording apparatus and ink circulation control method 2012-07-31
8164807 Image recording apparatus and control method for same 2012-04-24
7331647 Image recording apparatus and image recording method for the image recording apparatus image Masahiro Nakanishi 2008-02-19
7281781 Image forming apparatus and power supply interruption time management method 2007-10-16
6869993 Polypropylene-based resin composition and injection molded article comprising the same Tsuyoshi Watanabe 2005-03-22
6639002 Thermoplastic resin composition and its injection molded article Moriyasu Shimojo 2003-10-28
6568784 Image recording apparatus Keiji Izumi 2003-05-27
6561615 Image forming apparatus Keiji Izumi 2003-05-13