Inventor · disambiguated record
Masahiko Sumi
Also filed as: SUMI MASAHIKO
10 granted patents·136 citations·filing 1976–1991
89Inventor score
Top patents by PatentIndex Score
10 records- 0182US4063103AElectron beam exposure apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1976·Granted Dec 13, 1977·43 cites·18 claims
- 0277US4151421AMethod for compressing pattern data and data compression processing circuit for radiant beam exposure apparatusesVLSI TECHNOLOGY RES ASS·Filed 1978·Granted Apr 24, 1979·20 cites·9 claims
- 0367US4258265AElectron beam exposing apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1979·Granted Mar 24, 1981·11 cites·3 claims
- 0464US4145615AElectron beam exposure apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1977·Granted Mar 20, 1979·10 cites·4 claims
- 0561US4644469AAddressing system for electronic computerTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Feb 17, 1987·26 cites·1 claims
- 0661US4181860ARadiant beam exposure methodVLSI TECHNOLOGY RES ASS·Filed 1978·Granted Jan 1, 1980·9 cites·7 claims
- 0747US4414536AData compressing systemTOKYO SHIBAURA ELECTRIC CO·Filed 1981·Granted Nov 8, 1983·6 cites·11 claims
- 0833US4710898AApparatus for performing desired logical functionTOSHIBA KK·Filed 1985·Granted Dec 1, 1987·3 cites·15 claims
- 0932US4747066AArithmetic unitTOKYO SHIBAURA ELECTRIC CO·Filed 1984·Granted May 24, 1988·5 cites·12 claims
- 1029US5270981AField memory device functioning as a variable stage shift register with gated feedback from its output to its inputTOSHIBA KK·Filed 1991·Granted Dec 14, 1993·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →