Inventor · disambiguated record
Seishi Masaki
Also filed as: MASAKI SEISHI
6 granted patents·172 citations·filing 1977–1995
85Inventor score
Files withDAIWA FINE CHEMICALS CO LTD1DAIWA KASEI KENKYUSHO1MITSUBISHI MATERIALS CORP1OBATA DOHI DAIWA FINE CHEMICAL1OBATA DONI DAIWA FINE CHEMICAL1
Top patents by PatentIndex Score
6 records- 0192US4459185ATin, lead, and tin-lead alloy plating bathsOBATA DONI DAIWA FINE CHEMICAL·Filed 1983·Granted Jul 10, 1984·94 cites·26 claims
- 0274US4128460AColoring by electrolysis of aluminum or aluminum alloysDAIWA KASEI KENKYUSHO·Filed 1977·Granted Dec 5, 1978·20 cites·11 claims
- 0373US5618404AElectrolytic process for producing lead sulfonate and tin sulfonate for solder plating useDAIWA FINE CHEMICALS CO LTD·Filed 1995·Granted Apr 8, 1997·29 cites·3 claims
- 0456US4673470ATin, lead, or tin-lead alloy plating bathOBATA KEIGO·Filed 1986·Granted Jun 16, 1987·12 cites·10 claims
- 0546US5651873AElectroplating solution for forming Pb-Sn alloy bump electrodes on semiconductor wafer surfaceMITSUBISHI MATERIALS CORP·Filed 1995·Granted Jul 29, 1997·14 cites·15 claims
- 0629US4555314ATin-lead alloy plating bathOBATA DOHI DAIWA FINE CHEMICAL·Filed 1984·Granted Nov 26, 1985·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →