Kiyoshi Sone

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Variable ISI transmission channel apparatus
- Patent number 10,666,403
- Issue date May 26, 2020
- ARTEK KABUSHIKI KAISHA
- Kiyoshi Sone
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Variable ISI transmission channel apparatus
- Patent number 10,200,216
- Issue date Feb 5, 2019
- ARTEK KABUSHIKI KAISHA
- Kiyoshi Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Alarm system having phase-sensitive bridge circuit
- Patent number 4,228,429
- Issue date Oct 14, 1980
- Ricoh Company, Ltd.
- Keishin Tsuchiya
- G08 - SIGNALLING
Information Patent Grant
Mechanical switch circuit comprising contact conditioning means
- Patent number 4,134,026
- Issue date Jan 9, 1979
- Ricoh Company, Ltd.
- Kiyoshi Sone
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
VARIABLE ISI TRANSMISSION CHANNEL APPARATUS
- Publication number 20190165900
- Publication date May 30, 2019
- ARTEK KABUSHIKI KAISHA
- Kiyoshi SONE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VARIABLE ISI TRANSMISSION CHANNEL APPARATUS
- Publication number 20150365260
- Publication date Dec 17, 2015
- ARTEK KABUSHIKI KAISHA
- Kiyoshi SONE
- H01 - BASIC ELECTRIC ELEMENTS