Takashi Tamaki

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Display device using light-emitting elements
- Patent number 7,148,865
- Issue date Dec 12, 2006
- Oki Electric Industry Co., Ltd.
- Takashi Tamaki
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Voltage level shifting circuit
- Patent number 6,977,523
- Issue date Dec 20, 2005
- Oki Electric Industry Co., Ltd.
- Takashi Tamaki
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Semiconductor device with structure for die or dice crack detection
- Patent number 6,649,986
- Issue date Nov 18, 2003
- Oki Electric Industry Co, Ltd.
- Takashi Ishizaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Voltage to pulse-width conversion circuit
- Patent number 5,481,214
- Issue date Jan 2, 1996
- Oki Electric Industry Co., Ltd.
- Takashi Tamaki
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Voltage level shifting circuit
- Publication number 20040061525
- Publication date Apr 1, 2004
- Takashi Tamaki
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Display device using light-emitting elements
- Publication number 20030122750
- Publication date Jul 3, 2003
- Takashi Tamaki
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS