Kohei NISHIYAMA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrical coaxial connector
- Patent number 10,389,045
- Issue date Aug 20, 2019
- Dai-Ichi Seiko Co., Ltd.
- Kohei Nishiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric connector
- Patent number 8,968,020
- Issue date Mar 3, 2015
- Dai-Ichi Seiko Co., Ltd.
- Kohei Nishiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
IC card radio modem and communication system using the same for com...
- Patent number 6,463,095
- Issue date Oct 8, 2002
- NEC Corporation
- Kenji Kataoka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Selective call response radio telephone system and method for provi...
- Patent number 6,347,225
- Issue date Feb 12, 2002
- NEC Corporation
- Kohei Nishiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
IC card radio modem
- Patent number 5,610,941
- Issue date Mar 11, 1997
- NEC Corporation
- Masahiko Tanaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Portable telephone apparatus which can be connected to an external...
- Patent number 5,566,226
- Issue date Oct 15, 1996
- NEC Corporation
- Tamiyuki Mizoguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio telephone system capable of transmitting data communication t...
- Patent number 5,511,240
- Issue date Apr 23, 1996
- NEC Corporation
- Kohei Nishiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ELECTRICAL COAXIAL CONNECTOR
- Publication number 20190190169
- Publication date Jun 20, 2019
- DAI-ICHI SEIKO CO., LTD.
- Kohei NISHIYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRIC CONNECTOR
- Publication number 20130273765
- Publication date Oct 17, 2013
- DAI-ICHI SEIKO CO., LTD.
- Kohei NISHIYAMA
- H01 - BASIC ELECTRIC ELEMENTS