Michihisa Ohkawa

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Satellite communication system
- Patent number 4,748,622
- Issue date May 31, 1988
- Kokusai Denshin Denwa Co., Ltd.
- Takuro Muratani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
PLL having phase comparator with hysteresis characteristics
- Patent number 4,612,515
- Issue date Sep 16, 1986
- Kokusai Denshin Denwa Co., Ltd.
- Michihisa Ohkawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Bit error rate measuring system
- Patent number 4,566,100
- Issue date Jan 21, 1986
- Kokusai Denshin Denwa Co., Ltd.
- Toshio Mizuno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Carrier power to noise power ratio measuring system for TDMA signals
- Patent number 4,553,086
- Issue date Nov 12, 1985
- Kokusai Denshin Denwa Kabushiki Kaisha
- Tatsuo Watanabe
- G01 - MEASURING TESTING
Information Patent Grant
Method for cancelling impulsive noise
- Patent number 4,272,846
- Issue date Jun 9, 1981
- Kokusai Denshin Denwa Kabushiki Kaisha
- Takuro Muratani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE