Inventor

OKADA NORIHIRO

JP3 patents

⚠️ This page may combine multiple inventors who share the name “OKADA NORIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON SIGNAL CO LTD

2 patents

US6504485B2Jan 7, 2003

Monitoring apparatus and control apparatus for traffic signal lights

NIPPON SIGNAL CO LTD17 citations81

US6184799B1Feb 6, 2001

Monitoring apparatus and control apparatus for traffic signal lights

NIPPON SIGNAL CO LTD5 citations59

SHIROTA YASUHIKO

1 patent

US5508136AApr 16, 1996

Trisarylaminobenzene derivatives, compounds for organic EL element, and organic EL element

SHIROTA YASUHIKO33 citations88