Hiroyuki Ohyama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Repair welding method
- Patent number 11,872,663
- Issue date Jan 16, 2024
- Mitsubishi Heavy Industries, Ltd.
- Masaki Honda
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of extending life expectancy of high-temperature piping and...
- Patent number 9,739,412
- Issue date Aug 22, 2017
- Mitsubishi Hitachi Power Systems, Ltd.
- Daigo Watanabe
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Damage evaluation method and maintenance evaluation index decision...
- Patent number 9,689,789
- Issue date Jun 27, 2017
- Mitsubishi Hitachi Power Systems, Ltd.
- Nobuyoshi Komai
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
REPAIR WELDING METHOD
- Publication number 20210268612
- Publication date Sep 2, 2021
- Mitsubishi Power, Ltd.
- Masaki Honda
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
COOLING DEVICE FOR HIGH TEMPERATURE PIPE
- Publication number 20190056052
- Publication date Feb 21, 2019
- Mitsubishi Hitachi Power Systems, Ltd.
- Takeshi MATSUO
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
METHOD OF EXTENDING LIFE EXPECTANCY OF HIGH-TEMPERATURE PIPING AND...
- Publication number 20160208978
- Publication date Jul 21, 2016
- MITSUBISHI HITACHI POWER SYSTEMS, LTD.
- Daigo WATANABE
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
DAMAGE EVALUATION METHOD AND MAINTENANCE EVALUATION INDEX DECISION...
- Publication number 20150019142
- Publication date Jan 15, 2015
- Nobuyoshi Komai
- G01 - MEASURING TESTING