Eisaku Hayashi

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Preventive maintenance method and apparatus of a structural member...
- Patent number 6,639,962
- Issue date Oct 28, 2003
- Hitachi, Ltd.
- Kunio Enomoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Water jet peening apparatus
- Patent number 6,519,991
- Issue date Feb 18, 2003
- Hitachi, Ltd.
- Katsuhiko Hirano
- B24 - GRINDING POLISHING
Information Patent Grant
Water jet peening apparatus
- Patent number 6,425,276
- Issue date Jul 30, 2002
- Hitachi, Ltd.
- Katsuhiko Hirano
- B24 - GRINDING POLISHING
Information Patent Grant
Preventive maintenance method and apparatus of a structural member...
- Patent number 6,345,083
- Issue date Feb 5, 2002
- Hitachi, Ltd.
- Kunio Enomoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Preventive maintenance method and apparatus of a structural member...
- Patent number 6,341,151
- Issue date Jan 22, 2002
- Hitachi, Ltd.
- Kunio Enomoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Preventive maintenance apparatus for structural members in a nuclea...
- Patent number 6,240,155
- Issue date May 29, 2001
- Hitachi, Ltd.
- Koichi Kurosawa
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Preventive maintenance apparatus for structural members in a nuclea...
- Patent number 6,058,153
- Issue date May 2, 2000
- Hitachi, Ltd.
- Koichi Kurosawa
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Underwater laser processing device including chamber with partition...
- Patent number 5,977,515
- Issue date Nov 2, 1999
- Hitachi, Ltd.
- Keiichi Uraki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fluid jet nozzle and stress improving treatment method using the no...
- Patent number 5,897,062
- Issue date Apr 27, 1999
- Hitachi, Ltd.
- Kunio Enomoto
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Method and apparatus for performing preventive maintenance on the b...
- Patent number 5,749,384
- Issue date May 12, 1998
- Hitachi, Ltd.
- Eisaku Hayashi
- B08 - CLEANING
Information Patent Grant
Residual stress improving method for members in reactor pressure ve...
- Patent number 5,553,106
- Issue date Sep 3, 1996
- Hitachi, Ltd.
- Kunio Enomoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Fastening device
- Patent number 5,516,247
- Issue date May 14, 1996
- Hitachi, Ltd.
- Yuji Hosoda
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING

Patents Applicationslast 30 patents

Information Patent Application
Preventive maintenance method and apparatus of a structural member...
- Publication number 20020159558
- Publication date Oct 31, 2002
- Kunio Enomoto
- C21 - METALLURGY OF IRON
Information Patent Application
Water jet peening apparatus
- Publication number 20020116970
- Publication date Aug 29, 2002
- Hitachi, Ltd.
- Katsuhiko Hirano
- B24 - GRINDING POLISHING

Eisaku Hayashi

Person

Patents Grantslast 30 patents

Preventive maintenance method and apparatus of a structural member...

Water jet peening apparatus

Water jet peening apparatus

Preventive maintenance method and apparatus of a structural member...

Preventive maintenance method and apparatus of a structural member...

Preventive maintenance apparatus for structural members in a nuclea...

Preventive maintenance apparatus for structural members in a nuclea...

Underwater laser processing device including chamber with partition...

Fluid jet nozzle and stress improving treatment method using the no...

Method and apparatus for performing preventive maintenance on the b...

Residual stress improving method for members in reactor pressure ve...

Fastening device

Patents Applicationslast 30 patents

Preventive maintenance method and apparatus of a structural member...

Water jet peening apparatus