Hisayoshi Matsui

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Takasaki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Flat display apparatus with speaker function
- Patent number 7,545,459
- Issue date Jun 9, 2009
- Casio Computer Co., Ltd.
- Atsushi Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Display device and electronic equipment employing piezoelectric spe...
- Patent number 6,794,798
- Issue date Sep 21, 2004
- Taiyo Yuden Co., Ltd.
- Yoshiyuki Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Sound generator module, sound generating structure, and electronic...
- Publication number 20070189560
- Publication date Aug 16, 2007
- Hiroaki Uenishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Flat display apparatus with speaker function
- Publication number 20070132911
- Publication date Jun 14, 2007
- CASIO COMPUTER CO., LTD.
- Atsushi fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Display device and electronic equipment employing piezoelectric spe...
- Publication number 20020141164
- Publication date Oct 3, 2002
- Taiyo Yuden Co., Ltd.
- Yoshiyuki Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE