Tsutomu Tobita

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Minamiashigara-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing discharge tube using heat for oxidation of...
- Patent number 7,115,012
- Issue date Oct 3, 2006
- Fuji Photo Film Co., Ltd.
- Shinichi Aya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrode producing method
- Patent number 6,800,011
- Issue date Oct 5, 2004
- Fuji Photo Film Co., Ltd.
- Kenichi Watanabe
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Flash discharge tube and method for producing the same
- Patent number 6,604,973
- Issue date Aug 12, 2003
- Fuji Photo Film Co., Ltd.
- Shouji Nishida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flash discharge tube having exterior trigger electrode
- Patent number 6,268,697
- Issue date Jul 31, 2001
- Fuji Photo Film Co., Ltd.
- Shouji Nishida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode for electronic flash tube
- Patent number 5,606,219
- Issue date Feb 25, 1997
- Fuji Photo Film Co., Ltd.
- Tsutomu Tobita
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method for manufacturing discharge tube
- Publication number 20040033753
- Publication date Feb 19, 2004
- Fuji Photo Film Co., Ltd.
- Shinichi Aya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electrode producing method
- Publication number 20030087578
- Publication date May 8, 2003
- Fuji Photo Film Co., Ltd.
- Kenichi Watanabe
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Flash discharge tube and method for producing the same
- Publication number 20010041491
- Publication date Nov 15, 2001
- Shouji Nishida
- H01 - BASIC ELECTRIC ELEMENTS