Hirofumi Sonoyama

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Kodaira, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device and method of the semiconductor device
- Patent number 6,912,172
- Issue date Jun 28, 2005
- Hitachi, Ltd.
- Kazuki Honma
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device in which a chip is supplied either a first vol...
- Patent number 6,667,928
- Issue date Dec 23, 2003
- Hitachi, Ltd.
- Kazuki Honma
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor integrated circuit device having reference voltage ge...
- Patent number 6,512,398
- Issue date Jan 28, 2003
- Hitachi, Ltd.
- Hirofumi Sonoyama
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
LCD DRIVER IC
- Publication number 20150015551
- Publication date Jan 15, 2015
- Renesas SP Drivers Inc.
- Hideaki Honda
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DRIVER IC AND DISPLAY-INPUT DEVICE
- Publication number 20140253536
- Publication date Sep 11, 2014
- Renesas SP Drivers Inc.
- Hideaki Honda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Semiconductor device and method of the semiconductor device
- Publication number 20040113176
- Publication date Jun 17, 2004
- Hitachi, Ltd.
- Kazuki Honma
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor device and method of the semiconductor device
- Publication number 20020191469
- Publication date Dec 19, 2002
- Hitachi, Ltd.
- Kazuki Honma
- G11 - INFORMATION STORAGE