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Tanaka; Toyokazu Patent Filings

Tanaka; Toyokazu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tanaka; Toyokazu.The latest application filed is for "gas insulated switchgear".

Company Profile
0.2.3
  • Tanaka; Toyokazu - Hitachi 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
PatentDate
Gas insulated switchgear
Grant 6,759,616 - Rokunohe , et al. July 6, 2
2004-07-06
Gas Insulated Switchgear
App 20040079731 - Rokunohe, Toshiaki ;   et al.
2004-04-29
Gas insulated switchgear
Grant 6,680,453 - Rokunohe , et al. January 20, 2
2004-01-20
Bus container assembling methid thereof and gas insulated switchear the bus container
App 20020153352 - Aoyagi, Kenji ;   et al.
2002-10-24
Gas insulated switchgear
App 20020104827 - Rokunohe, Toshiaki ;   et al.
2002-08-08

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