Yoshihiko Hirata

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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
Vacuum airtight device having NbN electrode structure incorporated...
- Patent number 5,650,689
- Issue date Jul 22, 1997
- Futaba Denshi Kogyo K.K.
- Shigeo Itoh
- H01 - BASIC ELECTRIC ELEMENTS