Inventor · disambiguated record
Naoki Nakatsugawa
Also filed as: NAKATSUGAWA NAOKI
5 granted patents·70 citations·filing 1998–2010
81Inventor score
Top patents by PatentIndex Score
5 records- 0179US8045322B2Solid insulated bus switchgearHITACHI LTD·Filed 2009·Granted Oct 25, 2011·16 cites·8 claims
- 0279US6144005AVacuum switch and a vacuum switchgear using the sameHITACHI LTD·Filed 1998·Granted Nov 7, 2000·30 cites·33 claims
- 0368US8189325B2SwitchgearKUROGI TAKUYA·Filed 2008·Granted May 29, 2012·12 cites·9 claims
- 0459US6259051B1Vacuum switch and a vacuum switchgear using the sameHITACHI LTD·Filed 2000·Granted Jul 10, 2001·9 cites·12 claims
- 0557US7983023B2Earthing equipment for switchgearHITACHI LTD·Filed 2010·Granted Jul 19, 2011·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →