Yasufumi Shirakawa

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Integrated circuit device packaging structure and packaging method
- Patent number 7,663,200
- Issue date Feb 16, 2010
- Panasonic Corporation
- Yasufumi Shirakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Amplifier circuit and optical pickup device
- Patent number 7,449,670
- Issue date Nov 11, 2008
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Integrated circuit device packaging structure and packaging method
- Patent number 7,250,664
- Issue date Jul 31, 2007
- Matsushita Electric Industrial Co., Ltd.
- Yasufumi Shirakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Integrated circuit device installed structure and installation method
- Patent number 6,924,540
- Issue date Aug 2, 2005
- Matsushita Electric Industrial Co., Ltd.
- Yasufumi Shirakawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
PHOTOELECTRIC CONVERTING DEVICE, AND OPTICAL DISK APPARATUS AND ADJ...
- Publication number 20090296562
- Publication date Dec 3, 2009
- PANASONIC CORPORATION
- Yasufumi SHIRAKAWA
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL PICKUP DEVICE AND PHOTODETECTOR
- Publication number 20090168626
- Publication date Jul 2, 2009
- Hiroaki YAMAMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
AMPLIFIER CIRCUIT AND OPTICAL PICKUP DEVICE
- Publication number 20070228258
- Publication date Oct 4, 2007
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Integrated circuit device packaging structure and packaging method
- Publication number 20050151216
- Publication date Jul 14, 2005
- Matsushita Electric Industrial Co., Ltd.
- Yasufumi Shirakawa
- G11 - INFORMATION STORAGE
Information Patent Application
Integrated circuit device packaging structure and packaging method
- Publication number 20050151217
- Publication date Jul 14, 2005
- Matsushita Electric Industrial Co., Ltd.
- Yasufumi Shirakawa
- G11 - INFORMATION STORAGE
Information Patent Application
Integrated circuit device packaging structure and packaging method
- Publication number 20040217363
- Publication date Nov 4, 2004
- Matsushita Electric Industrial Co., Ltd.
- Yasufumi Shirakawa
- G11 - INFORMATION STORAGE
Information Patent Application
Integrated circuit device installed structure and installation method
- Publication number 20040089859
- Publication date May 13, 2004
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Yasufumi Shirakawa
- G11 - INFORMATION STORAGE
Information Patent Application
Integrated circuit device packaging structure and packaging method
- Publication number 20030197258
- Publication date Oct 23, 2003
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Yasufumi Shirakawa
- G11 - INFORMATION STORAGE

Yasufumi Shirakawa

Person

Patents Grantslast 30 patents

Integrated circuit device packaging structure and packaging method

Amplifier circuit and optical pickup device

Integrated circuit device packaging structure and packaging method

Integrated circuit device installed structure and installation method

Patents Applicationslast 30 patents

PHOTOELECTRIC CONVERTING DEVICE, AND OPTICAL DISK APPARATUS AND ADJ...

OPTICAL PICKUP DEVICE AND PHOTODETECTOR

AMPLIFIER CIRCUIT AND OPTICAL PICKUP DEVICE

Integrated circuit device packaging structure and packaging method

Integrated circuit device packaging structure and packaging method

Integrated circuit device packaging structure and packaging method

Integrated circuit device installed structure and installation method

Integrated circuit device packaging structure and packaging method