Masahiko Itoh

Person

Ohta, JP

People

Patents Grantslast 30 patents

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
Aluminium and aluminium alloy having corrosion-resistant protective...
- Patent number 5,055,356
- Issue date Oct 8, 1991
- Hitachi, Ltd.
- Emiko Minowa
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Semiconductor device
- Patent number 5,023,698
- Issue date Jun 11, 1991
- Hitachi, Ltd.
- Shiro Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for descaling stainless steel
- Patent number 4,994,157
- Issue date Feb 19, 1991
- Hitachi, Ltd.
- Masahiko Itoh
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Semiconductor module and an electronic computer using the semicondu...
- Patent number 4,977,443
- Issue date Dec 11, 1990
- Hitachi, Ltd.
- Shiro Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hermetically closed circulation type, vapor absorption refrigerator
- Patent number 4,912,934
- Issue date Apr 3, 1990
- Hitachi, Ltd.
- Masahiko Itoh
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Absorption type refrigerator and absorbing solution therefor
- Patent number 4,857,222
- Issue date Aug 15, 1989
- Hitachi, Ltd.
- Masahiko Itoh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Resin packaged semiconductor device having a protective layer made...
- Patent number 4,821,148
- Issue date Apr 11, 1989
- Hitachi, Ltd.
- Shiro Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for partial hot dipping of steel strips
- Patent number 4,505,760
- Issue date Mar 19, 1985
- Hitachi, Ltd.
- Masahiko Itoh
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hermetically circulating, absorption type refrigerator
- Patent number 4,487,036
- Issue date Dec 11, 1984
- Hitachi, Ltd.
- Masahiko Itoh
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Hermetically circulating, absorption type refrigerator
- Patent number 4,470,272
- Issue date Sep 11, 1984
- Hitachi, Ltd.
- Masahiko Itoh
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Hermetically circulating, absorption type refrigerator
- Patent number 4,398,399
- Issue date Aug 16, 1983
- Hitachi, Ltd.
- Masahiko Itoh
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Hermetically circulating, absorption type refrigerator
- Patent number 4,311,024
- Issue date Jan 19, 1982
- Hitachi, Ltd.
- Masahiko Itoh
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Masahiko Itoh

Person

Patents Grantslast 30 patents

Lead frame for semiconductor device

Aluminium and aluminium alloy having corrosion-resistant protective...

Semiconductor device

Method and apparatus for descaling stainless steel

Semiconductor module and an electronic computer using the semicondu...

Hermetically closed circulation type, vapor absorption refrigerator

Absorption type refrigerator and absorbing solution therefor

Resin packaged semiconductor device having a protective layer made...

Process for partial hot dipping of steel strips

Hermetically circulating, absorption type refrigerator

Hermetically circulating, absorption type refrigerator

Hermetically circulating, absorption type refrigerator

Hermetically circulating, absorption type refrigerator