Inventor · disambiguated record
Masao Katooka
Also filed as: KATOOKA MASAO · TAKENAKA SUSUMU
24 granted patents·714 citations·filing 1978–2009
97Inventor score
Files withSANSHA ELECTRIC MFG CO LTD21SANSAHA ELECTRIC MFG CO LTD1SANSHA ELECTRIC MFG COMPANY LIMITED1SANSHA ELECTRIC MFG COMPANY LTD1
Top patents by PatentIndex Score
24 records- 0195USD386148SPortable power supply unit with AC-DC converterSANSAHA ELECTRIC MFG CO LTD·Filed 1996·Granted Nov 11, 1997·73 cites·1 claims
- 0294US5424915ACooling structure for power supply deviceSANSHA ELECTRIC MFG CO LTD·Filed 1994·Granted Jun 13, 1995·164 cites·6 claims
- 0391US6665183B1Power supply apparatusSANSHA ELECTRIC MFG CO LTD·Filed 2003·Granted Dec 16, 2003·60 cites·9 claims
- 0490US5831240APower supply apparatusSANSHA ELECTRIC MFG CO LTD·Filed 1995·Granted Nov 3, 1998·76 cites·13 claims
- 0589US6774757B2CoilSANSHA ELECTRIC MFG CO LTD·Filed 2003·Granted Aug 10, 2004·33 cites·2 claims
- 0689US6636140B2High-frequency large current handling transformerSANSHA ELECTRIC MFG CO LTD·Filed 2001·Granted Oct 21, 2003·36 cites·8 claims
- 0789USD377335SPortable power supply unit with AC-DC converterSANSHA ELECTRIC MFG COMPANY LIMITED·Filed 1995·Granted Jan 14, 1997·33 cites·1 claims
- 0886US6051806APower supply apparatus for welders and method of manufacturing sameSANSHA ELECTRIC MFG CO LTD·Filed 1999·Granted Apr 18, 2000·68 cites·10 claims
- 0984US7315450B2Heat-generating component cooling structureSANSHA ELECTRIC MFG CO LTD·Filed 2005·Granted Jan 1, 2008·16 cites·6 claims
- 1083US6825441B2Power supply apparatusSANSHA ELECTRIC MFG CO LTD·Filed 2002·Granted Nov 30, 2004·28 cites·7 claims
- 1177US6433664B1CoilSANSHA ELECTRIC MFG CO LTD·Filed 2000·Granted Aug 13, 2002·16 cites·2 claims
- 1268US7579554B2Heat sink arrangement for electrical apparatusSANSHA ELECTRIC MFG CO LTD·Filed 2006·Granted Aug 25, 2009·3 cites·1 claims
- 1365USD474738SPower supply apparatusSANSHA ELECTRIC MFG CO LTD·Filed 2002·Granted May 20, 2003·14 cites·1 claims
- 1464US6483687B2Power supply apparatusSANSHA ELECTRIC MFG CO LTD·Filed 2001·Granted Nov 19, 2002·11 cites·4 claims
- 1563US7339807B2Power supply apparatusSANSHA ELECTRIC MFG CO LTD·Filed 2007·Granted Mar 4, 2008·6 cites·5 claims
- 1658US7256994B2Power supply apparatusSANSHA ELECTRIC MFG CO LTD·Filed 2005·Granted Aug 14, 2007·1 cites·5 claims
- 1758US5943220AWaterproofed power supply apparatusSANSHA ELECTRIC MFG CO LTD·Filed 1997·Granted Aug 24, 1999·20 cites·8 claims
- 1856US7902464B2Heat sink arrangement for electrical apparatusSANSHA ELECTRIC MFG COMPANY LTD·Filed 2009·Granted Mar 8, 2011·1 cites·1 claims
- 1954US5726416AAir plasma arc cutterSANSHA ELECTRIC MFG CO LTD·Filed 1996·Granted Mar 10, 1998·17 cites·3 claims
- 2053US6797922B2Power supply apparatus for welderSANSHA ELECTRIC MFG CO LTD·Filed 2003·Granted Sep 28, 2004·4 cites·4 claims
- 2148US5757638APower supply apparatusSANSHA ELECTRIC MFG CO LTD·Filed 1996·Granted May 26, 1998·15 cites·3 claims
- 2246US7300293B2Attachment for preventing cover from falling offSANSHA ELECTRIC MFG CO LTD·Filed 2006·Granted Nov 27, 2007·0 cites·6 claims
- 2345US6057524APlasma arc utilizing apparatusSANSHA ELECTRIC MFG CO LTD·Filed 1998·Granted May 2, 2000·16 cites·6 claims
- 2430US4214356AArtificial porcelain tooth manufacturingSANSHA ELECTRIC MFG CO LTD·Filed 1978·Granted Jul 29, 1980·3 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →