Urasaki; Hisashi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Urasaki; Hisashi.The latest application filed is for "abrasion resistant material, puffer cylinder, and puffer type gas circuit breaker".

Company Profile

0.6.6

Urasaki; Hisashi - Tokyo JP
Urasaki; Hisashi - Hitachi N/A JP
Urasaki; Hisashi - Hitachi-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Abrasion resistant material, puffer cylinder, and puffer type gas circuit breaker Grant 10,128,071 - Ono , et al. November 13, 2	2018-11-13
Abrasion Resistant Material, Puffer Cylinder, And Puffer Type Gas Circuit Breaker App 20170271113 - ONO; Masahiko ; et al.	2017-09-21
Switchgear Grant 9,673,005 - Urasaki , et al. June 6, 2	2017-06-06
Wear-resistant material, method for producing the same, puffer cylinder and puffer-type gas circuit breaker Grant 9,653,239 - Ono , et al. May 16, 2	2017-05-16
Wear-resistant material, puffer cylinder, and puffer-type gas circuit breaker Grant 9,604,881 - Ono , et al. March 28, 2	2017-03-28
Switchgear App 20160268076 - URASAKI; Hisashi ; et al.	2016-09-15
Wear-Resistant Material, Method for Producing the Same, Puffer Cylinder and Puffer-Type Gas Circuit Breaker App 20150060408 - ONO; Masahiko ; et al.	2015-03-05
Wear-resistant Material, Puffer Cylinder, And Puffer-type Gas Circuit Breaker App 20140367360 - ONO; Masahiko ; et al.	2014-12-18
Gas insulated bus and particle removal method for gas insulated bus Grant 8,804,298 - Kato , et al. August 12, 2	2014-08-12
Gas Circuit Breaker App 20140144883 - URASAKI; Hisashi ; et al.	2014-05-29
Gas Insulated Bus and Particle Removal Method for Gas Insulated Bus App 20120281332 - KATO; Tatsuro ; et al.	2012-11-08

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