Inventor · disambiguated record
Toshimasa Fukai
Also filed as: FUKAI TOSHIMASA
20 granted patents·1 pending application·99 citations·filing 1983–2019
93Inventor score
Files withMEIDENSHA ELECTRIC MFG CO LTD14TAKAHASHI EIICHI3JAPAN AE POWER SYSTEMS CORP1TANIMIZU TORU1TECHNICAL CONSULTING TANIMIZU1
Top patents by PatentIndex Score
21 records- 0186US10068741B2Field emission device and reforming treatment methodMEIDENSHA ELECTRIC MFG CO LTD·Filed 2015·Granted Sep 4, 2018·5 cites·24 claims
- 0280US7042699B2Vacuum variable capacitorMEIDENSHA ELECTRIC MFG CO LTD·Filed 2005·Granted May 9, 2006·11 cites·9 claims
- 0360US5480472AMethod for forming an electrical contact materialMEIDENSHA ELECTRIC MFG CO LTD·Filed 1991·Granted Jan 2, 1996·16 cites·7 claims
- 0459US4707577AVacuum interrupterMEIDENSHA ELECTRIC MFG CO LTD·Filed 1987·Granted Nov 17, 1987·14 cites·7 claims
- 0557US5352404AProcess for forming contact material including the step of preparing chromium with an oxygen content substantially reduced to less than 0.1 wt. %MEIDENSHA ELECTRIC MFG CO LTD·Filed 1992·Granted Oct 4, 1994·12 cites·18 claims
- 0656US7041930B2Bellows for use in vacuum capacitorMEIDENSHA ELECTRIC MFG CO LTD·Filed 2004·Granted May 9, 2006·7 cites·2 claims
- 0755US11527378B2Carbon-metal structure and method for manufacturing carbon-metal structureUNIV WASEDA·Filed 2019·Granted Dec 13, 2022·0 cites·21 claims
- 0855US9159488B2Vacuum capacitor-voltage-transformerTANIMIZU TORU·Filed 2010·Granted Oct 13, 2015·1 cites·4 claims
- 0954US10910184B2Sealed relayMEIDENSHA ELECTRIC MFG CO LTD·Filed 2018·Granted Feb 2, 2021·0 cites·16 claims
- 1054US6975499B2Vacuum variable capacitor with energization and heat shielding bellowsMEIDENSHA ELECTRIC MFG CO LTD·Filed 2004·Granted Dec 13, 2005·7 cites·12 claims
- 1149US11342127B2Transformer for vacuum capacitor type instrumentMEIDENSHA ELECTRIC MFG CO LTD·Filed 2018·Granted May 24, 2022·0 cites·1 claims
- 1247US6462930B1Vacuum variable capacitor deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 2001·Granted Oct 8, 2002·6 cites·17 claims
- 1345US8755166B2Vacuum capacitorTAKAHASHI EIICHI·Filed 2009·Granted Jun 17, 2014·0 cites·22 claims
- 1444US8749946B2Vacuum capacitorTAKAHASHI EIICHI·Filed 2009·Granted Jun 10, 2014·0 cites·17 claims
- 1544US8749947B2Vacuum capacitorTAKAHASHI EIICHI·Filed 2011·Granted Jun 10, 2014·0 cites·7 claims
- 1643US7091807B2Electromagnetic deviceTECHNICAL CONSULTING TANIMIZU·Filed 2004·Granted Aug 15, 2006·4 cites·21 claims
- 1742US6307729B1Vacuum capacitorMEIDENSHA ELECTRIC MFG CO LTD·Filed 1999·Granted Oct 23, 2001·12 cites·11 claims
- 1840US9589751B2Sealed relayMEIDENSHA ELECTRIC MFG CO LTD·Filed 2014·Granted Mar 7, 2017·0 cites·3 claims
- 1939US4547638AVacuum interrupterMEIDENSHA ELECTRIC MFG CO LTD·Filed 1983·Granted Oct 15, 1985·4 cites·10 claims
- 2037US2005092714A1Electrical contact, method of manufacturing the same, electrode for vacuum interrupter, and vaccum circuit breakerJAPAN AE POWER SYSTEMS CORP·Filed 2004·Application pending·0 cites
- 2130US5489412AElectrode materialMEIDENSHA ELECTRIC MFG CO LTD·Filed 1994·Granted Feb 6, 1996·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →