Naotatsu Asahi

Person

Matsudo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
A universal power transmission joint having a pair of drive pins fi...
- Patent number 5,035,677
- Issue date Jul 30, 1991
- Hitachi, Ltd.
- Hisanobu Kanamaru
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Combustion apparatus for gas turbine
- Patent number 5,009,070
- Issue date Apr 23, 1991
- Hitachi, Ltd.
- Nobuyuki Iizuka
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method and apparatus for plastically forming helical internal gears...
- Patent number 4,924,690
- Issue date May 15, 1990
- M.H. Center Limited
- Hisanobu Kanamaru
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
High water-resistant member, and valve gear using the same for use...
- Patent number 4,873,150
- Issue date Oct 10, 1989
- Hitachi, Ltd.
- Masayuki Doi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Gas sensor and method of producing the same
- Patent number 4,713,646
- Issue date Dec 15, 1987
- Shinyei Kaisha
- Naomasa Sunano
- G01 - MEASURING TESTING
Information Patent Grant
Gas sensor
- Patent number 4,608,232
- Issue date Aug 26, 1986
- Hitachi, Ltd.
- Naomasa Sunano
- G01 - MEASURING TESTING
Information Patent Grant
Gas sensor with improved perovskite type material
- Patent number 4,507,643
- Issue date Mar 26, 1985
- Naomasa Sunano
- G01 - MEASURING TESTING
Information Patent Grant
Method for coating by glow discharge
- Patent number 4,486,462
- Issue date Dec 4, 1984
- Hitachi, Ltd.
- Naotatsu Asahi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of processing electrically conductive material by glow disch...
- Patent number 4,394,234
- Issue date Jul 19, 1983
- Hitachi, Ltd.
- Naotatsu Asahi
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of joining two metal members
- Patent number 4,392,296
- Issue date Jul 12, 1983
- Hitachi, Ltd.
- Hisanobu Kanamaru
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Magnetic tape scanning assembly for use in video tape recorder and...
- Patent number 4,163,266
- Issue date Jul 31, 1979
- Hitachi, Ltd.
- Takeo Tamamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Naotatsu Asahi

Person

Patents Grantslast 30 patents

A universal power transmission joint having a pair of drive pins fi...

Combustion apparatus for gas turbine

Method and apparatus for plastically forming helical internal gears...

High water-resistant member, and valve gear using the same for use...

Gas sensor and method of producing the same

Gas sensor

Gas sensor with improved perovskite type material

Method for coating by glow discharge

Method of processing electrically conductive material by glow disch...

Method of joining two metal members

Magnetic tape scanning assembly for use in video tape recorder and...