Inventor · disambiguated record
Takashi Yamahata
Also filed as: YAMAHATA TAKASHI
9 granted patents·71 citations·filing 1974–1989
88Inventor score
Top patents by PatentIndex Score
9 records- 0174US4567113AHeat-sensitive transferring recording mediumGEN CO LTD·Filed 1984·Granted Jan 28, 1986·18 cites·12 claims
- 0249US4004065ACoated heat sensitive recording memberGEN CO LTD·Filed 1974·Granted Jan 18, 1977·11 cites·13 claims
- 0348US3983279AMultiple heat-sensitive copying mediumGEN CO LTD·Filed 1974·Granted Sep 28, 1976·10 cites·8 claims
- 0446US4049581AMethod for preparing hydrocarbon conversion catalyst using acid amide solutions to impregnate a tin componentTOA NENRYO KOGYO KK·Filed 1975·Granted Sep 20, 1977·7 cites·17 claims
- 0543US4631232AHeat-sensitive transferring recording mediumGEN CO LTD·Filed 1985·Granted Dec 23, 1986·9 cites·5 claims
- 0641US4689274AMulti-type heat-sensitive transferring mediumGEN CO LTD·Filed 1985·Granted Aug 25, 1987·3 cites·4 claims
- 0735US4948446AHeat-sensitive transferring medium of delayed sending typeGEN CO LTD·Filed 1986·Granted Aug 14, 1990·5 cites·3 claims
- 0834US5043228AHeat-sensitive transferring medium of delayed sending typeGEN CO LTD·Filed 1989·Granted Aug 27, 1991·5 cites·6 claims
- 0933US4857410AMulti-type heat-sensitive transferring mediumGEN CO LTD·Filed 1987·Granted Aug 15, 1989·3 cites·5 claims
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