Noriyuki Ohnaka

Person

Hitachinaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of evaluating corrosion resistance of metal material, method...
- Patent number 5,901,071
- Issue date May 4, 1999
- Hitachi, Ltd.
- Masanori Sakai
- G01 - MEASURING TESTING
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
Magnetic disk device having a corrosion resistant magnetoresistive...
- Patent number 5,729,409
- Issue date Mar 17, 1998
- Hitachi, Ltd.
- Kenya Ohashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of measuring a corrosion potential, method of simulating pot...
- Patent number 5,579,354
- Issue date Nov 26, 1996
- Hitachi, Ltd.
- Masanori Sakai
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for measuring degree of corrosion of metal mat...
- Patent number 5,519,330
- Issue date May 21, 1996
- Hitachi, Ltd.
- Hiroshi Yamauchi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Corrosion-resistant laminate which consists of a metal of a single...
- Patent number 5,514,477
- Issue date May 7, 1996
- Hitachi, Ltd.
- Kenya Ohashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Method and apparatus for measuring sensitization of structural members
- Patent number 5,316,633
- Issue date May 31, 1994
- Hitachi, Ltd.
- Masanori Sakai
- G01 - MEASURING TESTING
Information Patent Grant
Machine on ground provided with heat resistant wall used for isolat...
- Patent number 5,242,264
- Issue date Sep 7, 1993
- Hitachi, Ltd.
- Yoshitaka Kojima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Zirconium based alloy plate of low irradiation growth, method of ma...
- Patent number 5,223,211
- Issue date Jun 29, 1993
- Hitachi, Ltd.
- Masahisa Inagaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Lead frame for semiconductor device
- Patent number 5,221,859
- Issue date Jun 22, 1993
- Hitachi, Ltd.
- Shiro Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ceramics-coated heat resisting alloy member
- Patent number 5,209,645
- Issue date May 11, 1993
- Hitachi, Ltd.
- Yoshitaka Kojima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Sliding structure such as compressor or the like
- Patent number 5,087,181
- Issue date Feb 11, 1992
- Hitachi, Ltd.
- Yasuo Kamitsuma
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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

Noriyuki Ohnaka

Person

Patents Grantslast 30 patents

Method of evaluating corrosion resistance of metal material, method...

Boiling water reactor and its operating method

Magnetic disk device having a corrosion resistant magnetoresistive...

Method of measuring a corrosion potential, method of simulating pot...

Method and apparatus for measuring degree of corrosion of metal mat...

Corrosion-resistant laminate which consists of a metal of a single...

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

Method and apparatus for measuring sensitization of structural members

Machine on ground provided with heat resistant wall used for isolat...

Zirconium based alloy plate of low irradiation growth, method of ma...

Lead frame for semiconductor device

Ceramics-coated heat resisting alloy member

Solution quantitative analysis apparatus, quantitative analysis met...

Sliding structure such as compressor or the like

Solution quantitative analysis apparatus, quantitative analysis met...