Hirotaka Hara

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Kokubunji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Running-average/decimation filter for an oversampling A/D converter
- Patent number 5,331,583
- Issue date Jul 19, 1994
- Hitachi, Ltd.
- Hirotaka Hara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor integrated circuit containing an automatic equalizer...
- Patent number 5,327,459
- Issue date Jul 5, 1994
- Hitachi, Ltd.
- Hirotaka Hara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus and method
- Patent number 5,097,488
- Issue date Mar 17, 1992
- Hitachi, Ltd.
- Masaru Kokubo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for cancelling echo in a transmitter and an apparatus therefor
- Patent number 5,018,134
- Issue date May 21, 1991
- Hitachi, Ltd.
- Masaru Kokubo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for cancelling echo in a transmitter and an apparatus therefor
- Patent number 4,896,318
- Issue date Jan 23, 1990
- Hitachi, Ltd.
- Masaru Kokubo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE