Katsuhiko Yamakawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Illuminant-mounted antenna
- Patent number 5,917,453
- Issue date Jun 29, 1999
- Harada Industry Co., Ltd.
- Shigeru Uchino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna for an automobile
- Patent number D388096
- Issue date Dec 23, 1997
- Harada Industry Co., Ltd.
- Katsuhiko Yamakawa
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Antenna for an automobile
- Patent number D388098
- Issue date Dec 23, 1997
- Harada Industry Co., Ltd.
- Katsuhiko Yamakawa
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Antenna for an automobile
- Patent number D388099
- Issue date Dec 23, 1997
- Harada Industry Co., Ltd.
- Katsuhiko Yamakawa
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Antenna for an automobile
- Patent number D388097
- Issue date Dec 23, 1997
- Harada Industry Co., Ltd.
- Katsuhiko Yamakawa
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Three-wave antenna for vehicles
- Patent number 5,406,296
- Issue date Apr 11, 1995
- Harada Kogyo Kabushiki Kaisha
- Yoshimi Egashira
- H01 - BASIC ELECTRIC ELEMENTS