Inventor
OGAWA KATSUHIKO
JP5 patents
⚠️ This page may combine multiple inventors who share the name “OGAWA KATSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
4 patentsUS4602383AJul 22, 1986
Image data compression system
NIPPON TELEGRAPH & TELEPHONE35 citations89
US4415818ANov 15, 1983
Programmable sequential logic circuit devices
NIPPON TELEGRAPH & TELEPHONE35 citations89
US6438233B1Aug 20, 2002
Book data service system with data delivery by broadcasting
NIPPON TELEGRAPH & TELEPHONE63 citations88
US7889170B2Feb 15, 2011
Inner force sense presentation device, inner force sense presentation method, and inner force sense presentation program
NIPPON TELEGRAPH & TELEPHONE4 citations60