P

Inventor

TSUGAWA HIROAKI

JP4 patents
⚠️ This page may combine multiple inventors who share the name “TSUGAWA HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON KAYAKU KK

3 patents
US4682192AJul 21, 1987

Heat-sensitive recording sheet

NIPPON KAYAKU KK15 citations68
US4956333ASep 11, 1990

Heat-sensitive recording material

NIPPON KAYAKU KK2 citations59
US5928987AJul 27, 1999

Thermal recording material

NIPPON KAYAKU KK3 citations51

TSUGAWA HIROAKI

1 patent
US8216970B2Jul 10, 2012

1,1-bis(4-hydroxyphenyl)-1-phenylethane and thermal recording material for recording the same

TSUGAWA HIROAKI0 citations30