Inventor · disambiguated record
Tetsu Ishiguro
Also filed as: ISHIGURO TETSU
4 granted patents·1 pending application·26 citations·filing 2002–2004
75Inventor score
Technology areasH01H
Files withHITACHI LTD5
Top patents by PatentIndex Score
5 records- 0168US6831244B2Gas-insulated switchHITACHI LTD·Filed 2003·Granted Dec 14, 2004·11 cites·1 claims
- 0255US6696657B2Puffer type gas circuit breakerHITACHI LTD·Filed 2002·Granted Feb 24, 2004·8 cites·5 claims
- 0353US6717088B2Gas-insulated switchHITACHI LTD·Filed 2002·Granted Apr 6, 2004·5 cites·3 claims
- 0443US6762387B2Gas-insulated switchHITACHI LTD·Filed 2003·Granted Jul 13, 2004·2 cites·2 claims
- 0537US2004211757A1Gas-insulated switchHITACHI LTD·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →