TREA

Tatsuo Matsumura

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  • Chiyoda-ku, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vehicle-mounted apparatus
    • Patent number 11,945,522
    • Issue date Apr 2, 2024
    • Knorr-Bremse Commercial Vehicle Systems Japan Ltd.
    • Tatsuo Matsumura
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power steering apparatus
    • Patent number 11,691,666
    • Issue date Jul 4, 2023
    • KNORR-BREMSE STEERING SYSTEM JAPAN LTD.
    • Tatsuo Matsumura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering apparatus
    • Patent number 10,988,167
    • Issue date Apr 27, 2021
    • KNORR-BREMSE STEERING SYSTEM JAPAN LTD.
    • Tatsuo Matsumura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering device
    • Patent number 10,370,028
    • Issue date Aug 6, 2019
    • KNORR-BREMSE STEERING SYSTEM JAPAN LTD.
    • Tatsuo Matsumura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Field weakening control apparatus for permanent magnet motor and el...
    • Patent number 7,791,295
    • Issue date Sep 7, 2010
    • Hitachi, Ltd.
    • Kentaro Oi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power steering system
    • Patent number 7,648,003
    • Issue date Jan 19, 2010
    • Hitachi, Ltd.
    • Ayumu Miyajima
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    VEHICLE-MOUNTED APPARATUS
    • Publication number 20210024126
    • Publication date Jan 28, 2021
    • KNORR-BREMSE STEERING SYSTEM JAPAN LTD.
    • Tatsuo MATSUMURA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    POWER STEERING APPARATUS
    • Publication number 20190168802
    • Publication date Jun 6, 2019
    • Hitachi Automotive Systems, Ltd.
    • Tatsuo MATSUMURA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    POWER STEERING APPARATUS
    • Publication number 20190111965
    • Publication date Apr 18, 2019
    • Hitachi Automotive Systems, Ltd.
    • Tatsuo MATSUMURA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    POWER STEERING DEVICE
    • Publication number 20180022381
    • Publication date Jan 25, 2018
    • Hitachi Automotive Systems, Ltd.
    • Tatsuo MATSUMURA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    VEHICULAR STEERING CONTROL APPARATUS AND METHOD
    • Publication number 20100250067
    • Publication date Sep 30, 2010
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Tatsuo Matsumura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Power Steering Apparatus
    • Publication number 20090125190
    • Publication date May 14, 2009
    • Hitachi, Ltd.
    • Tatsuo Matsumura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Power Steering Apparatus
    • Publication number 20090125189
    • Publication date May 14, 2009
    • Hitachi, Ltd.
    • Tatsuo Matsumura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Field weakening control apparatus for permanent magnet motor and el...
    • Publication number 20080265809
    • Publication date Oct 30, 2008
    • HITACHI LTD.
    • Kentaro Ol
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Power steering system
    • Publication number 20070209859
    • Publication date Sep 13, 2007
    • HITACHI, LTD.
    • Ayumu Miyajima
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS