Akira Kadowaki

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Mobara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing vacuum hermetic vessels
- Patent number 6,039,620
- Issue date Mar 21, 2000
- Futaba Denshi Kogyo K.K.
- Shigeo Itoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Getter support
- Patent number 5,827,048
- Issue date Oct 27, 1998
- Futaba Denshi Kogyo K.K.
- Takeshi Tonegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum airtight envelope and method for manufacturing same
- Patent number 5,820,434
- Issue date Oct 13, 1998
- Futaba Denshi Kogyo K.K.
- Shigeo Itoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for sealedly forming envelope
- Patent number 5,693,111
- Issue date Dec 2, 1997
- Futaba Denshi Kogyo K.K.
- Akira Kadowaki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Evacuation apparatus
- Patent number 5,499,939
- Issue date Mar 19, 1996
- Futaba Denshi Kogyo K.K.
- Shigeo Itoh
- H01 - BASIC ELECTRIC ELEMENTS