Kazuyoshi Ishikawa

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Mobara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Display device using filament
- Patent number 6,710,536
- Issue date Mar 23, 2004
- Futaba denshi kogyo kabushiki kaisha
- Yoshihisa Yonezawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Double-faced vacuum fluorescent display device and method for drivi...
- Patent number 6,611,094
- Issue date Aug 26, 2003
- Futaba denshi kogyo kabushiki kaisha
- Yukio Ogawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Fluorescent display device and method for driving same
- Patent number 6,522,062
- Issue date Feb 18, 2003
- Futaba Corporation
- Yukio Ogawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Filament for fluorescent display device
- Patent number 6,509,693
- Issue date Jan 21, 2003
- Futaba Corporation
- Yoshihisa Yonezawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Graphic fluorescent display device
- Patent number 6,501,229
- Issue date Dec 31, 2002
- Futaba denshi kogyo kabushiki kaisha
- Yukio Ogawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Composition for forming fluorescent film for display and method of...
- Patent number 5,994,008
- Issue date Nov 30, 1999
- Futaba Denshi Kogyo K.K.
- Yukio Ogawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Filament for fluorescent display device
- Publication number 20020047573
- Publication date Apr 25, 2002
- FUTABA DENSHI KOGYO KABUSHIKI KAISHA
- Yoshihisa Yonezawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Display device using filament
- Publication number 20020047534
- Publication date Apr 25, 2002
- Yoshihisa Yonezawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Graphic fluorescent display device
- Publication number 20020011794
- Publication date Jan 31, 2002
- Futaba Denshi Kogyo Kabushiki Kaisha
- Yukio Ogawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Fluorescent display device and method for driving same
- Publication number 20010013755
- Publication date Aug 16, 2001
- FUTABA DENSHI KONGYO KABUSHIKI KAISHA
- Yukio Ogawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Double-faced vacuum fluorescent display device and method for drivi...
- Publication number 20010008361
- Publication date Jul 19, 2001
- Futaba Denshi Kogyo Kabushiki Kaisha
- Yukio Ogawa
- H01 - BASIC ELECTRIC ELEMENTS