TREA

TOKYO ROKI CO., LTD

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mixing device
    • Patent number 12,116,921
    • Issue date Oct 15, 2024
    • TOKYO ROKI CO., LTD.
    • Masaki Shimizu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust gas purification catalyst
    • Patent number 11,401,850
    • Issue date Aug 2, 2022
    • Tokyo Roki Co., Ltd.
    • Takayuki Mori
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Separation disk and oil separator
    • Patent number 10,953,410
    • Issue date Mar 23, 2021
    • TOKYO ROKI CO., LTD.
    • Kosaku Ishida
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Oil separator
    • Patent number 10,913,076
    • Issue date Feb 9, 2021
    • TOKYO ROKI CO., LTD.
    • Kosaku Ishida
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Heat exchanger
    • Patent number 10,767,605
    • Issue date Sep 8, 2020
    • Tokyo Roki Co., Ltd.
    • Tatsuto Yamada
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Oil separator
    • Patent number 10,569,206
    • Issue date Feb 25, 2020
    • Tokyo Roki Co., Ltd
    • Kosaku Ishida
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Oil mist filter and oil separator
    • Patent number 10,519,827
    • Issue date Dec 31, 2019
    • Tokyo Roki Co., Ltd
    • Kosaku Ishida
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Oil separator
    • Patent number 10,512,864
    • Issue date Dec 24, 2019
    • Tokyo Roki Co., Ltd
    • Kosaku Ishida
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Oil separator
    • Patent number 10,513,955
    • Issue date Dec 24, 2019
    • Tokyo Roki Co., Ltd
    • Kosaku Ishida
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Plasma reactor
    • Patent number 10,450,916
    • Issue date Oct 22, 2019
    • NGK Spark Plug Co., Ltd.
    • Shinsuke Itoh
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Oil separator
    • Patent number 10,322,362
    • Issue date Jun 18, 2019
    • TOKYO ROKI CO., LTD.
    • Kosaku Ishida
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Oil mist separation method and oil separator
    • Patent number 10,226,725
    • Issue date Mar 12, 2019
    • TOKYO ROKI CO., LTD.
    • Kosaku Ishida
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Oil separator
    • Patent number 9,987,579
    • Issue date Jun 5, 2018
    • TOKYO ROKI CO., LTD.
    • Kosaku Ishida
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Oil separator
    • Patent number 9,677,507
    • Issue date Jun 13, 2017
    • TOKYO ROKI CO., LTD.
    • Takatsugu Kurosawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Catalyst, method and apparatus for removing nitrogen oxide
    • Patent number 9,364,792
    • Issue date Jun 14, 2016
    • TOKYO ROKI CO., LTD.
    • Takayuki Mori
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Oil mist separator
    • Patent number 9,260,992
    • Issue date Feb 16, 2016
    • Tokyo Roki Co., Ltd
    • Masaya Wada
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter device for gas
    • Patent number 8,979,967
    • Issue date Mar 17, 2015
    • Nikki Co., Ltd.
    • Masashi Iwasaki
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Plate stacking type heat exchanger
    • Patent number 8,844,611
    • Issue date Sep 30, 2014
    • Tokyo Roki Co., Ltd
    • Tsuyoshi Yao
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Plate laminate type heat exchanger
    • Patent number 8,794,303
    • Issue date Aug 5, 2014
    • Tokyo Roki Co., Ltd
    • Tatsuhito Yamada
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Exhaust emission control device
    • Patent number 8,353,152
    • Issue date Jan 15, 2013
    • Hino Motors, Ltd.
    • Minoru Kowada
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Muffling structure of vent pipe and muffling structure of case
    • Patent number 8,316,987
    • Issue date Nov 27, 2012
    • Tokyo Roki Co., Ltd.
    • Kosaku Ishida
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Plate laminate type heat exchanger
    • Patent number 8,272,430
    • Issue date Sep 25, 2012
    • Tokyo Roki Co., Ltd.
    • Tatsuhito Yamada
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Apparatus for and method of purifying exhaust gas
    • Patent number 8,161,737
    • Issue date Apr 24, 2012
    • UD Trucks Corporation
    • Isamu Kanaya
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Exhaust purification device for engine
    • Patent number 8,117,830
    • Issue date Feb 21, 2012
    • Mitsubishi Fuso Truck and Bus Corporation
    • Satoshi Hiranuma
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Maintenance method for particulate filter
    • Patent number 7,909,916
    • Issue date Mar 22, 2011
    • Hino Motors, Ltd.
    • Toshiki Ohya
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust emission purifying apparatus for engine
    • Patent number 7,784,273
    • Issue date Aug 31, 2010
    • Nissan Diesel Motor Co., Ltd.
    • Isamu Kanaya
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Nitrogen oxide removal catalyst system and nitrogen oxide removal m...
    • Patent number 7,597,865
    • Issue date Oct 6, 2009
    • Tokyo Roki Co., Ltd
    • Takayuki Mori
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    SCR muffler
    • Patent number 7,562,521
    • Issue date Jul 21, 2009
    • Tokyo Roki Co., Ltd.
    • Daisuke Shirai
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Muffling apparatus having exhaust emission purifying function
    • Patent number 7,430,855
    • Issue date Oct 7, 2008
    • Nissan Diesel Motor Co., LTD
    • Tomoko Amemiya
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Exhaust gas purifying catalyst
    • Patent number 7,235,511
    • Issue date Jun 26, 2007
    • Tokyo Roki Co., Ltd.
    • Tomohiko Kawamoto
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

  • Information Patent Application

    EXHAUST PURIFICATION APPARATUS
    • Publication number 20240280040
    • Publication date Aug 22, 2024
    • TOKYO ROKI CO., LTD.
    • Jun KICHIYA
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    MIXING DEVICE
    • Publication number 20240011424
    • Publication date Jan 11, 2024
    • TOKYO ROKI CO., LTD.
    • Masaki SHIMIZU
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST GAS PURIFICATION CATALYST
    • Publication number 20210215074
    • Publication date Jul 15, 2021
    • Tokyo Roki Co., Ltd.
    • Takayuki Mori
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST GAS PURIFICATION CATALYST
    • Publication number 20210207515
    • Publication date Jul 8, 2021
    • Tokyo Roki Co., Ltd.
    • Takayuki Mori
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    OIL SEPARATOR
    • Publication number 20200325807
    • Publication date Oct 15, 2020
    • Tokyo Roki Co., Ltd.
    • Kosaku Ishida
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Application

    EXHAUST GAS TREATMENT SYSTEM AND EXHAUST GAS PURIFICATION METHOD
    • Publication number 20200191036
    • Publication date Jun 18, 2020
    • TOKYO ROKI CO., LTD.
    • Hidenori SUZUKI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HEAT EXCHANGER
    • Publication number 20190331067
    • Publication date Oct 31, 2019
    • Tokyo Roki Co., Ltd.
    • Tatsuto Yamada
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    STACK OF SEPARATION DISKS
    • Publication number 20190316501
    • Publication date Oct 17, 2019
    • Tokyo Roki Co., Ltd.
    • Yoshitaka Watanabe
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Application

    OIL SEPARATOR
    • Publication number 20190091618
    • Publication date Mar 28, 2019
    • Tokyo Roki Co., Ltd.
    • Kosaku Ishida
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Application

    PLASMA REACTOR
    • Publication number 20190055869
    • Publication date Feb 21, 2019
    • NGK Spark Plug Co., Ltd.
    • Shinsuke ITOH
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    OIL SEPARATOR
    • Publication number 20180179929
    • Publication date Jun 28, 2018
    • TOKYO ROKI CO., LTD.
    • Kosaku ISHIDA
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    OIL SEPARATOR
    • Publication number 20180029045
    • Publication date Feb 1, 2018
    • TOKYO ROKI CO., LTD.
    • Kosaku ISHIDA
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Application

    SEPARATION DISK AND OIL SEPARATOR
    • Publication number 20180029046
    • Publication date Feb 1, 2018
    • TOKYO ROKI CO., LTD.
    • Kosaku ISHIDA
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Application

    OIL MIST FILTER AND OIL SEPARATOR
    • Publication number 20180023428
    • Publication date Jan 25, 2018
    • TOKYO ROKI CO., LTD.
    • Kosaku ISHIDA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    OIL MIST SEPARATION METHOD AND OIL SEPARATOR
    • Publication number 20170296955
    • Publication date Oct 19, 2017
    • TOKYO ROKI CO., LTD.
    • Kosaku ISHIDA
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Application

    OIL SEPARATOR
    • Publication number 20170296956
    • Publication date Oct 19, 2017
    • TOKYO ROKI CO., LTD.
    • Kosaku ISHIDA
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Application

    OIL SEPARATOR
    • Publication number 20170120176
    • Publication date May 4, 2017
    • TOKYO ROKI CO., LTD.
    • Kosaku ISHIDA
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    OIL SEPARATOR
    • Publication number 20170001133
    • Publication date Jan 5, 2017
    • TOKYO ROKI CO., LTD.
    • Kosaku ISHIDA
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    OIL SEPARATOR
    • Publication number 20160375388
    • Publication date Dec 29, 2016
    • TOKYO ROKI CO., LTD.
    • Kosaku ISHIDA
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    OIL SEPARATOR
    • Publication number 20160375387
    • Publication date Dec 29, 2016
    • TOKYO ROKI CO., LTD.
    • Kosaku ISHIDA
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    OIL SEPARATOR
    • Publication number 20160082378
    • Publication date Mar 24, 2016
    • TOKYO ROKI CO., LTD.
    • Kosaku ISHIDA
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    OIL SEPARATOR
    • Publication number 20150226158
    • Publication date Aug 13, 2015
    • TOKYO ROKI CO., LTD.
    • Takatsugu Kurosawa
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER DEVICE FOR GAS
    • Publication number 20140059984
    • Publication date Mar 6, 2014
    • TOKYO ROKI CO., LTD
    • Masashi Iwasaki
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    OIL FILTER AND FILTER ELEMENT
    • Publication number 20140008282
    • Publication date Jan 9, 2014
    • Tokyo Roki Co. Ltd.
    • Yasuhiro Okai
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    OIL MIST SEPARATOR
    • Publication number 20130205726
    • Publication date Aug 15, 2013
    • Tokyo Roki Co. Ltd.
    • Masaya Wada
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PROCESS FOR PRODUCING CATALYST FOR EXHAUST GAS PURIFICATION AND CAT...
    • Publication number 20120122663
    • Publication date May 17, 2012
    • Tokyo Roki Co. Ltd.
    • Takahiro Kunimitsu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    EXHAUST GAS PURIFYING DEVICE FOR INTERNAL COMBUSTION ENGINE, AND SW...
    • Publication number 20110185710
    • Publication date Aug 4, 2011
    • TOKYO ROKI CO. LTD
    • Masaki Shimizu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    MUFFLING STRUCTURE OF VENT PIPE AND MUFFLING STRUCTURE OF CASE
    • Publication number 20110011670
    • Publication date Jan 20, 2011
    • TOKYO ROKI CO. LTD
    • Kosaku Ishida
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    APPARATUS FOR AND METHOD OF PURIFYING EXHAUST GAS
    • Publication number 20100269490
    • Publication date Oct 28, 2010
    • UD TRUCKS CORPORATION
    • Isamu KANAYA
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PLATE STACKING TYPE HEAT EXCHANGER
    • Publication number 20100258285
    • Publication date Oct 14, 2010
    • TOKYO ROKI CO. LTD.
    • Tsuyoshi Yao
    • F28 - HEAT EXCHANGE IN GENERAL