Inventor · disambiguated record
Takao Sumi
Also filed as: SUMI TAKAO
11 granted patents·205 citations·filing 1975–1993
91Inventor score
Top patents by PatentIndex Score
11 records- 0189US4662966AApparatus for transfer printingNISSHA PRINTING·Filed 1984·Granted May 5, 1987·76 cites·18 claims
- 0270US4292103ATransfer printingNISSHA PRINTING·Filed 1980·Granted Sep 29, 1981·18 cites·16 claims
- 0366US3940708AGain control circuitSONY CORP·Filed 1975·Granted Feb 24, 1976·12 cites·11 claims
- 0465US4208674ATime base error correcting apparatusSONY CORP·Filed 1977·Granted Jun 17, 1980·14 cites·27 claims
- 0557US4157565AApparatus for eliminating time base errors from an information signalSONY CORP·Filed 1977·Granted Jun 5, 1979·11 cites·28 claims
- 0656US4776671AHigh property, high precision color filter and method for manufacturing the sameNISSHA PRINTING·Filed 1986·Granted Oct 11, 1988·19 cites·15 claims
- 0755US4744635AColor filter with a porous activated film layer having dye fixed in the minute pores to form color or patternNISSHA PRINTING·Filed 1987·Granted May 17, 1988·18 cites·11 claims
- 0847US5305154AColor filter with a porous activated film layer having dyes fixed in the minute pores to form a color patternNISSHA PRINTING·Filed 1992·Granted Apr 19, 1994·15 cites·2 claims
- 0947US4081837AUndesired signal cancellerSONY CORP·Filed 1976·Granted Mar 28, 1978·7 cites·17 claims
- 1040US4764177AMethod of transfer printing plastic molded articles having patterns of characters and/or symbols on their top faces and front side faces and pattern imparting machineNISSHA PRINTING·Filed 1986·Granted Aug 16, 1988·8 cites·10 claims
- 1134US5399374AColor filter and the manufacturing method thereforNISSHA PRINTING·Filed 1993·Granted Mar 21, 1995·7 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →