Keiji Arimatsu

Person

Hitachi-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic film forming system
- Patent number 6,491,802
- Issue date Dec 10, 2002
- Hitachi, Ltd.
- Yasushi Ishikawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic film forming system
- Patent number 6,290,824
- Issue date Sep 18, 2001
- Hitachi, Ltd.
- Yasushi Ishikawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Ion implanting apparatus capable of preventing discharge flaw produ...
- Patent number 6,104,025
- Issue date Aug 15, 2000
- Hitachi, Ltd.
- Katsumi Tokiguchi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Ion implanting apparatus capable of preventing discharge flaw produ...
- Patent number 5,945,681
- Issue date Aug 31, 1999
- Hitachi, Ltd.
- Katsumi Tokiguchi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method and apparatus for forming a film
- Patent number 5,064,520
- Issue date Nov 12, 1991
- Hitachi, Ltd.
- Kiyoshi Miyake
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Sputtering apparatus
- Patent number 4,673,482
- Issue date Jun 16, 1987
- Hitachi, Ltd.
- Eiji Setoyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
DC circuit breaker
- Patent number 4,618,905
- Issue date Oct 21, 1986
- Hitachi, Ltd.
- Shunji Tokuyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-voltage DC circuit breaker apparatus
- Patent number 4,578,730
- Issue date Mar 25, 1986
- Hitachi, Ltd.
- Shunji Tokuyama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Magnetic film forming system
- Publication number 20010050224
- Publication date Dec 13, 2001
- Hitachi, Ltd.
- Yasushi Ishikawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Keiji Arimatsu

Person

Patents Grantslast 30 patents

Magnetic film forming system

Magnetic film forming system

Ion implanting apparatus capable of preventing discharge flaw produ...

Ion implanting apparatus capable of preventing discharge flaw produ...

Method and apparatus for forming a film

Sputtering apparatus

DC circuit breaker

High-voltage DC circuit breaker apparatus

Patents Applicationslast 30 patents

Magnetic film forming system