Inventor · disambiguated record
Masao Sakashita
Also filed as: SAKASHITA MASAO
15 granted patents·323 citations·filing 1975–2000
94Inventor score
Files withNIPPON STEEL CORP8KAWAI MUSICAL INSTR MFG CO4HONDA MOTOR CO LTD2KAWAI GAKKI SEISAKUSHO KAWAI M1
Top patents by PatentIndex Score
15 records- 0190US4371745AShielded wireKAWAI MUSICAL INSTR MFG CO·Filed 1980·Granted Feb 1, 1983·55 cites·4 claims
- 0288US6190780B1Surface treated metal material and surface treating agentNIPPON STEEL CORP·Filed 1998·Granted Feb 20, 2001·87 cites·54 claims
- 0383US6200672B1Surface-treated metal plate and metal surface treating fluidNIPPON STEEL CORP·Filed 1998·Granted Mar 13, 2001·61 cites·22 claims
- 0474US6582586B1Method of removing scales and preventing scale formation on metal materials and apparatus thereforNIPPON STEEL CORP·Filed 2000·Granted Jun 24, 2003·11 cites·28 claims
- 0563US3986424AAutomatic rhythm-accompaniment apparatus for electronic musical instrumentKAWAI GAKKI SEISAKUSHO KAWAI M·Filed 1975·Granted Oct 19, 1976·12 cites·11 claims
- 0655US4975190AOrganic polymer separation membrane having fluorene skeleton and oxygen enrichment device utilizing sameNIPPON STEEL CORP·Filed 1990·Granted Dec 4, 1990·16 cites·2 claims
- 0755US4968331AOrganic polymer separation membrane having fluorene skeleton and oxygen enrichment device utilizing sameNIPPON STEEL CORP·Filed 1990·Granted Nov 6, 1990·19 cites·3 claims
- 0854US5049169APolysulfone separation membraneNIPPON STEEL CORP·Filed 1990·Granted Sep 17, 1991·21 cites·5 claims
- 0948US4271742ASound generator for producing ANGKLONG like soundKAWAI MUSICAL INSTR MFG CO·Filed 1979·Granted Jun 9, 1981·5 cites·7 claims
- 1042US6763794B1Vibration sound reducing device, and process for assembling elastic membrane in vibration sound reducing deviceHONDA MOTOR CO LTD·Filed 1998·Granted Jul 20, 2004·12 cites·7 claims
- 1142US5116504AOrganic polymer separation membrane having fluorene skeleton and oxygen enrichment device utilizing sameNIPPON STEEL CORP·Filed 1990·Granted May 26, 1992·9 cites·2 claims
- 1242US4162644AAutomatic rhythm accompaniment apparatus in an electronic organKAWAI MUSICAL INSTR MFG CO·Filed 1977·Granted Jul 31, 1979·7 cites·6 claims
- 1336US4906550AMethod of producing polydiacetylene thin filmNIPPON STEEL CORP·Filed 1988·Granted Mar 6, 1990·6 cites·7 claims
- 1433US4290333AExpression means of electronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1980·Granted Sep 22, 1981·1 cites·4 claims
- 1528US5964195AWater-cooled type internal combustion engineHONDA MOTOR CO LTD·Filed 1997·Granted Oct 12, 1999·1 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →