Ryuichi Iwata

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
High-frequency device using switch having movable parts, and method...
- Patent number 6,777,771
- Issue date Aug 17, 2004
- NEC Corporation
- Tsunehisa Marumoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Phased array antenna and method of manufacturing the same
- Patent number 6,559,798
- Issue date May 6, 2003
- NEC Corporation
- Tsunehisa Marumoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Phased array antenna and its manufacturing method
- Patent number 6,556,168
- Issue date Apr 29, 2003
- NEC Corporation
- Tsunehisa Marumoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Phased array antenna and method of manufacturing method
- Patent number 6,535,168
- Issue date Mar 18, 2003
- NEC Corporation
- Tsunehisa Marumoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna for communicating with low earth orbit satellite
- Patent number 6,262,689
- Issue date Jul 17, 2001
- NEC Corporation
- Osamu Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multibeam antenna
- Patent number 5,136,294
- Issue date Aug 4, 1992
- NEC Corporation
- Ryuichi Iwata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dual-band antenna system of a beam waveguide type
- Patent number 4,525,719
- Issue date Jun 25, 1985
- NEC Corporation
- Ikuro Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna apparatus including frequency separator having wide band tr...
- Patent number 4,476,471
- Issue date Oct 9, 1984
- Nippon Electric Co., Ltd.
- Ikuro Sato
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Antenna
- Publication number 20080169993
- Publication date Jul 17, 2008
- NEC Corporation
- Yoshihiko Matsuzawa
- H01 - BASIC ELECTRIC ELEMENTS

Ryuichi Iwata

Person

Patents Grantslast 30 patents

High-frequency device using switch having movable parts, and method...

Phased array antenna and method of manufacturing the same

Phased array antenna and its manufacturing method

Phased array antenna and method of manufacturing method

Antenna for communicating with low earth orbit satellite

Multibeam antenna

Dual-band antenna system of a beam waveguide type

Antenna apparatus including frequency separator having wide band tr...

Patents Applicationslast 30 patents

Antenna