Toyomi Yoshida

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Patents Grantslast 30 patents

Information Patent Grant
Control device for magnetic bearing and control method
- Patent number 11,137,026
- Issue date Oct 5, 2021
- Hitachi, Ltd.
- Toyomi Yoshida
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Turbomachinery
- Patent number 8,388,311
- Issue date Mar 5, 2013
- Hitachi, Ltd.
- Kazuyuki Yamaguchi
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Band pass filter device and a method of filtering using such a device
- Patent number 4,992,714
- Issue date Feb 12, 1991
- Hitachi, Ltd.
- Osami Matsushita
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Control Device for Magnetic Bearing and Control Method
- Publication number 20200080591
- Publication date Mar 12, 2020
- Hitachi, Ltd
- Toyomi YOSHIDA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Downhole Compressor
- Publication number 20160273324
- Publication date Sep 22, 2016
- Hitachi, Ltd
- Kazuyuki YAMAGUCHI
- E21 - EARTH DRILLING MINING
Information Patent Application
Turbo Machinery
- Publication number 20130223998
- Publication date Aug 29, 2013
- Hitachi, Ltd
- Akira ENDO
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Labyrinth Seals for Turbomachinery
- Publication number 20120121411
- Publication date May 17, 2012
- Hitachi, Ltd
- Akira ENDO
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
TURBOMACHINERY
- Publication number 20100166544
- Publication date Jul 1, 2010
- Hitachi, Ltd
- Kazuyuki Yamaguchi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES