Keigo Kotoh

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Amagasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Radar responder
- Patent number 4,682,173
- Issue date Jul 21, 1987
- Mitsubishi Denki Kabushiki Kaisha
- Keigo Kotoh
- G01 - MEASURING TESTING
Information Patent Grant
Rescue transmitter apparatus
- Patent number 4,673,936
- Issue date Jun 16, 1987
- Mitsubishi Denki Kabushiki Kaisha
- Keigo Kotoh
- G01 - MEASURING TESTING
Information Patent Grant
Life buoy with a radar responder
- Patent number 4,668,200
- Issue date May 26, 1987
- Mitsubishi Denki Kabushiki Kaisha
- Keigo Kotoh
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Radar beacon apparatus
- Patent number 4,186,396
- Issue date Jan 29, 1980
- Mitsubishi Denki Kabushiki Kaisha
- Keigo Kotoh
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Radar beacon apparatus
- Patent number 4,129,868
- Issue date Dec 12, 1978
- Mitsubishi Denki Kabushiki Kaisha
- Kiyokazu Tahara
- G01 - MEASURING TESTING