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Kimio Aizawa
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Nara, JP
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last 30 patents
Information
Patent Grant
Laminated dielectric antenna duplexer and a dielectric filter
Patent number
6,304,156
Issue date
Oct 16, 2001
Toshio Ishizaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Laminated dielectric antenna duplexer and a dielectric filter
Patent number
6,020,799
Issue date
Feb 1, 2000
Matsushita Electric Industrial Co., Ltd.
Toshio Ishizaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-frequency circuit board trace crossing and electronic componen...
Patent number
5,907,265
Issue date
May 25, 1999
Matsushita Electric Industrial Co., Ltd.
Toru Sakuragawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dielectric filter with multiple resonators
Patent number
5,719,539
Issue date
Feb 17, 1998
Matsushita Electric Industrial Co., Ltd.
Toshio Ishizaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Antenna switching apparatus for selectively connecting antenna to t...
Patent number
5,442,812
Issue date
Aug 15, 1995
Matsushita Electric Industrial Co., Ltd.
Toshio Ishizaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dielectric filters with a single through-hole
Patent number
5,166,649
Issue date
Nov 24, 1992
Matsushita Electric Industrial Co., Ltd.
Kimio Aizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Microwave stripline resonator including a dielectric substrate havi...
Patent number
5,162,761
Issue date
Nov 10, 1992
Matsushita Electric Industrial Co., Ltd.
Masaki Kita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Coaxial dielectric resonator having a groove therein and method of...
Patent number
5,109,207
Issue date
Apr 28, 1992
Matsushita Electric Industrial Co., Ltd.
Kimio Aizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Terminal substrate for a quartz vibrating device
Patent number
4,375,041
Issue date
Feb 22, 1983
Matsushita Electric Industrial Co., Ltd.
Kimio Aizawa
H03 - BASIC ELECTRONIC CIRCUITRY