Katsumi Ohsumi

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Treatment method of nuclear reactor internal component
- Patent number 6,487,265
- Issue date Nov 26, 2002
- Hitachi, Ltd.
- Masato Nakamura
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Boiling water reactor and its operating method
- Patent number 5,892,805
- Issue date Apr 6, 1999
- Hitachi, Ltd.
- Kouichi Yamane
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Nuclear fuel rod and method of manufacturing the same
- Patent number 5,761,263
- Issue date Jun 2, 1998
- Hitachi, Ltd.
- Naohito Uetake
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Reactor water control method in BWR power plant, BWR power plant ha...
- Patent number 5,715,290
- Issue date Feb 3, 1998
- Hitachi, Ltd.
- Naohito Uetake
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Water quality control method and device for nuclear power plant, an...
- Patent number 5,398,269
- Issue date Mar 14, 1995
- Hitachi, Ltd.
- Makoto Nagase
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Nuclear power plant having a water chemistry control system for a p...
- Patent number 5,398,268
- Issue date Mar 14, 1995
- Hitachi, Ltd.
- Hidefumi Ibe
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Monitoring system for plant operation condition and its in-situ ele...
- Patent number 5,203,984
- Issue date Apr 20, 1993
- Hitachi, Ltd.
- Masanori Sakai
- G01 - MEASURING TESTING
Information Patent Grant
Solution quantitative analysis apparatus, quantitative analysis met...
- Patent number 5,186,798
- Issue date Feb 16, 1993
- Hitachi, Ltd.
- Masanori Sakai
- G01 - MEASURING TESTING
Information Patent Grant
Direct cycle-type atomic power plant with means for suppressing tra...
- Patent number 5,084,235
- Issue date Jan 28, 1992
- Hitachi, Ltd.
- Eishi Ibe
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Suppression of deposition of radioactive substances in boiling wate...
- Patent number 4,940,564
- Issue date Jul 10, 1990
- Hitachi, Ltd.
- Motohiro Aizawa
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Solution quantitative analysis apparatus, quantitative analysis met...
- Patent number 4,937,038
- Issue date Jun 26, 1990
- Hitachi, Ltd.
- Masanori Sakai
- G01 - MEASURING TESTING
Information Patent Grant
Radioactivity reduction method of a nuclear power plant and a nucle...
- Patent number 4,927,598
- Issue date May 22, 1990
- Hitachi, Ltd.
- Yoshitaka Nishino
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Method of inhibiting radioactive substances from eluting into cooli...
- Patent number 4,894,202
- Issue date Jan 16, 1990
- Hitachi, Ltd.
- Makoto Nagase
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Process and apparatus for cleaning nuclear reactor cooling water
- Patent number 4,880,595
- Issue date Nov 14, 1989
- Hitachi, Ltd.
- Masami Matsuda
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Water quality control method, and method and apparatus for measurin...
- Patent number 4,853,638
- Issue date Aug 1, 1989
- Hitachi, Ltd.
- Masao Endou
- G01 - MEASURING TESTING
Information Patent Grant
Inhibition of deposition of radioactive substances on nuclear power...
- Patent number 4,828,790
- Issue date May 9, 1989
- Hitachi, Ltd.
- Takashi Honda
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Method of reducing radioactivity in nuclear plant
- Patent number 4,820,473
- Issue date Apr 11, 1989
- Hitachi, Ltd.
- Kenya Ohashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for operating boiling water-type atomic power plant
- Patent number 4,764,338
- Issue date Aug 16, 1988
- Hitachi, Ltd.
- Shunsuke Uchida
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Nuclear power plant providing a function of suppressing the deposit...
- Patent number 4,722,823
- Issue date Feb 2, 1988
- Hitachi, Ltd.
- Takashi Honda
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Method of inhibiting corrosion of carbon steel piping of condensate...
- Patent number 4,564,499
- Issue date Jan 14, 1986
- Hitachi, Ltd.
- Takashi Honda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Nuclear reactor degassing method and degassing system
- Patent number 4,533,514
- Issue date Aug 6, 1985
- Hitachi, Ltd.
- Michiyoshi Yamamoto
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Method of starting up a nuclear reactor
- Patent number 4,293,382
- Issue date Oct 6, 1981
- Hitachi, Ltd.
- Katsumi Ohsumi
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING

Patents Applicationslast 30 patents

Information Patent Application
Treatment method of nuclear reactor internal component
- Publication number 20020136344
- Publication date Sep 26, 2002
- Hitachi, Ltd
- Masato Nakamura
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING

Katsumi Ohsumi

Person

Patents Grantslast 30 patents

Treatment method of nuclear reactor internal component

Boiling water reactor and its operating method

Nuclear fuel rod and method of manufacturing the same

Reactor water control method in BWR power plant, BWR power plant ha...

Water quality control method and device for nuclear power plant, an...

Nuclear power plant having a water chemistry control system for a p...

Monitoring system for plant operation condition and its in-situ ele...

Solution quantitative analysis apparatus, quantitative analysis met...

Direct cycle-type atomic power plant with means for suppressing tra...

Suppression of deposition of radioactive substances in boiling wate...

Solution quantitative analysis apparatus, quantitative analysis met...

Radioactivity reduction method of a nuclear power plant and a nucle...

Method of inhibiting radioactive substances from eluting into cooli...

Process and apparatus for cleaning nuclear reactor cooling water

Water quality control method, and method and apparatus for measurin...

Inhibition of deposition of radioactive substances on nuclear power...

Method of reducing radioactivity in nuclear plant

Method for operating boiling water-type atomic power plant

Nuclear power plant providing a function of suppressing the deposit...

Method of inhibiting corrosion of carbon steel piping of condensate...

Nuclear reactor degassing method and degassing system

Method of starting up a nuclear reactor

Patents Applicationslast 30 patents

Treatment method of nuclear reactor internal component