Tokio Isogai

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing solar cells
- Patent number 4,643,913
- Issue date Feb 17, 1987
- Hitachi, Ltd.
- Masaaki Okunaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Gas detecting apparatus
- Patent number 4,638,443
- Issue date Jan 20, 1987
- Hitachi, Ltd.
- Masayoshi Kaneyasu
- G08 - SIGNALLING
Information Patent Grant
Gas detecting apparatus
- Patent number 4,586,143
- Issue date Apr 29, 1986
- Hitachi, Ltd.
- Masayoshi Kaneyasu
- G01 - MEASURING TESTING
Information Patent Grant
Light-sensitive polymer composition with poly(amic acid), bisazide,...
- Patent number 4,565,767
- Issue date Jan 21, 1986
- Hitachi, Ltd.
- Fumio Kataoka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Heat-resistant silicone block polymer
- Patent number 4,513,132
- Issue date Apr 23, 1985
- Hitachi, Ltd.
- Fusaji Shoji
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrode material for semi-conductor devices
- Patent number 4,486,232
- Issue date Dec 4, 1984
- Hitachi, Ltd.
- Mitsuo Nakatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas detection device and method for detecting gas
- Patent number 4,457,161
- Issue date Jul 3, 1984
- Hitachi, Ltd.
- Shoichi Iwanaga
- G01 - MEASURING TESTING
Information Patent Grant
Radiation-sensitive poly(amic acid) polymer composition
- Patent number 4,451,551
- Issue date May 29, 1984
- Hitachi, Ltd.
- Fumio Kataoka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Radiation sensitive polymer materials
- Patent number 4,419,506
- Issue date Dec 6, 1983
- Hitachi, Ltd.
- Kazuo Nate
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Low temperature sintering porcelain composition
- Patent number 4,386,387
- Issue date May 31, 1983
- Hitachi Chemical Company, Ltd.
- Hirayoshi Tanei
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for producing transparent electroconductive film
- Patent number 4,369,208
- Issue date Jan 18, 1983
- Hitachi, Ltd.
- Masaaki Okunaka
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Thermistor composition
- Patent number 4,347,166
- Issue date Aug 31, 1982
- Hitachi, Ltd.
- Hiromi Tosaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for forming metallic image
- Patent number 4,347,304
- Issue date Aug 31, 1982
- Hitachi, Ltd.
- Hideki Sakurai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for regenerating chemical copper plating solution
- Patent number 4,324,629
- Issue date Apr 13, 1982
- Hitachi, Ltd.
- Hitoshi Oka
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Photosensitive compositions containing polyamides acid with photose...
- Patent number 4,321,319
- Issue date Mar 23, 1982
- Hitachi, Ltd.
- Fusaji Shoji
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for automatically controlling composition of chemical copper...
- Patent number 4,310,563
- Issue date Jan 12, 1982
- Hitachi, Ltd.
- Hitoshi Oka
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Low temperature-sinterable dielectric composition and thick film ca...
- Patent number 4,308,571
- Issue date Dec 29, 1981
- Hitachi, Ltd.
- Hirayoshi Tanei
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Electroless copper plating solution
- Patent number 4,303,443
- Issue date Dec 1, 1981
- Hitachi, Ltd.
- Osamu Miyazawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Composition and process for producing transparent conductive film
- Patent number 4,303,554
- Issue date Dec 1, 1981
- Hitachi, Ltd.
- Ryoichi Sudo
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Dielectric paste for thick film capacitor
- Patent number 4,220,547
- Issue date Sep 2, 1980
- Hitachi, Ltd.
- Katsuo Abe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for mounting parts on circuit boards
- Patent number 4,208,005
- Issue date Jun 17, 1980
- Hitachi, Ltd.
- Kazuo Nate
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Flame-retardant epoxy resin compositions
- Patent number 4,145,369
- Issue date Mar 20, 1979
- Hitachi, Ltd.
- Yasuo Hira
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Tokio Isogai

Person

Patents Grantslast 30 patents

Process for producing solar cells

Gas detecting apparatus

Gas detecting apparatus

Light-sensitive polymer composition with poly(amic acid), bisazide,...

Heat-resistant silicone block polymer

Electrode material for semi-conductor devices

Gas detection device and method for detecting gas

Radiation-sensitive poly(amic acid) polymer composition

Radiation sensitive polymer materials

Low temperature sintering porcelain composition

Process for producing transparent electroconductive film

Thermistor composition

Process for forming metallic image

Process for regenerating chemical copper plating solution

Photosensitive compositions containing polyamides acid with photose...

Method for automatically controlling composition of chemical copper...

Low temperature-sinterable dielectric composition and thick film ca...

Electroless copper plating solution

Composition and process for producing transparent conductive film

Dielectric paste for thick film capacitor

Method for mounting parts on circuit boards

Flame-retardant epoxy resin compositions