Inventor · disambiguated record
Hisashi Urasaki
Also filed as: URASAKI HISASHI
5 granted patents·1 pending application·4 citations·filing 2012–2015
66Inventor score
Top patents by PatentIndex Score
6 records- 0174US10128071B2Abrasion resistant material, puffer cylinder, and puffer type gas circuit breakerHITACHI LTD·Filed 2015·Granted Nov 13, 2018·1 cites·20 claims
- 0269US9673005B2SwitchgearHITACHI LTD·Filed 2014·Granted Jun 6, 2017·2 cites·14 claims
- 0348US8804298B2Gas insulated bus and particle removal method for gas insulated busKATO TATSURO·Filed 2012·Granted Aug 12, 2014·1 cites·3 claims
- 0447US9604881B2Wear-resistant material, puffer cylinder, and puffer-type gas circuit breakerHITACHI LTD·Filed 2014·Granted Mar 28, 2017·0 cites·17 claims
- 0546US9653239B2Wear-resistant material, method for producing the same, puffer cylinder and puffer-type gas circuit breakerHITACHI LTD·Filed 2014·Granted May 16, 2017·0 cites·14 claims
- 0641US2014144883A1Gas Circuit BreakerHITACHI LTD·Filed 2013·Application pending·0 cites
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