P

Inventor

YAMAHATA TAKASHI

JP9 patents
⚠️ This page may combine multiple inventors who share the name “YAMAHATA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GEN CO LTD

8 patents
US4631232ADec 23, 1986

Heat-sensitive transferring recording medium

GEN CO LTD9 citations71
US5043228AAug 27, 1991

Heat-sensitive transferring medium of delayed sending type

GEN CO LTD5 citations70
US4948446AAug 14, 1990

Heat-sensitive transferring medium of delayed sending type

GEN CO LTD5 citations70
US4567113AJan 28, 1986

Heat-sensitive transferring recording medium

GEN CO LTD18 citations70
US4004065AJan 18, 1977

Coated heat sensitive recording member

GEN CO LTD11 citations69
US3983279ASep 28, 1976

Multiple heat-sensitive copying medium

GEN CO LTD10 citations69
US4857410AAug 15, 1989

Multi-type heat-sensitive transferring medium

GEN CO LTD3 citations60
US4689274AAug 25, 1987

Multi-type heat-sensitive transferring medium

GEN CO LTD3 citations60

TOA NENRYO KOGYO KK

1 patent
US4049581ASep 20, 1977

Method for preparing hydrocarbon conversion catalyst using acid amide solutions to impregnate a tin component

TOA NENRYO KOGYO KK7 citations72