Inventor · disambiguated record
Toyokazu Tanaka
Also filed as: TANAKA TOYOKAZU
8 granted patents·1 pending application·106 citations·filing 1992–2003
87Inventor score
Files withHITACHI LTD7
Top patents by PatentIndex Score
9 records- 0185US6680453B2Gas insulated switchgearHITACHI LTD·Filed 2001·Granted Jan 20, 2004·26 cites·16 claims
- 0277US6759616B2Gas insulated switchgearHITACHI LTD·Filed 2003·Granted Jul 6, 2004·22 cites·3 claims
- 0354US6469270B1Gas insulated switchgearHITACHI LTD·Filed 2000·Granted Oct 22, 2002·9 cites·9 claims
- 0449US5450281AReceiving and transforming apparatusHITACHI LTD·Filed 1993·Granted Sep 12, 1995·15 cites·4 claims
- 0547US5559669ACompressed gas insulation switchgearFiled 1995·Granted Sep 24, 1996·14 cites·6 claims
- 0641US5625530AGas insulated switchgear equipment including a bypass bus and bypass disconnecting switchHITACHI LTD·Filed 1995·Granted Apr 29, 1997·11 cites·5 claims
- 0739US5210679ACustomer's power receiving and transforming systemHITACHI LTD·Filed 1992·Granted May 11, 1993·9 cites·6 claims
- 0831US2002153352A1Bus container assembling methid thereof and gas insulated switchear the bus containerFiled 2001·Application pending·0 cites
- 0924US5548476AReceiving and transforming apparatusHITACHI LTD·Filed 1995·Granted Aug 20, 1996·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →