Seiji Kado

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Phase-shifting circuit and antenna device
- Patent number 10,686,423
- Issue date Jun 16, 2020
- Hitachi Metals, Ltd.
- Satoshi Yoshihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Antenna device
- Patent number 10,454,164
- Issue date Oct 22, 2019
- Hitachi Metals, Ltd.
- Satoshi Yoshihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device
- Patent number 10,439,296
- Issue date Oct 8, 2019
- Hitachi Metals, Ltd.
- Seiji Kado
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Planar antenna and array antenna
- Patent number 7,026,993
- Issue date Apr 11, 2006
- Hitachi Cable, Ltd.
- Xin Zhang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ANTENNA DEVICE
- Publication number 20180358693
- Publication date Dec 13, 2018
- Hitachi Metals, Ltd.
- Satoshi Yoshihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA DEVICE
- Publication number 20180212335
- Publication date Jul 26, 2018
- Hitachi Metals, Ltd.
- Seiji Kado
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHASE-SHIFTING CIRCUIT AND ANTENNA DEVICE
- Publication number 20180115297
- Publication date Apr 26, 2018
- APRESIA Systems, Ltd.
- Satoshi YOSHIHARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Planar antenna and array antenna
- Publication number 20040027291
- Publication date Feb 12, 2004
- Xin Zhang
- H01 - BASIC ELECTRIC ELEMENTS