Hakuhei Kawakami

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor integrated circuit
- Patent number 6,493,282
- Issue date Dec 10, 2002
- Matsushita Electric Industrial Co., Ltd.
- Masahisa Iida
- G11 - INFORMATION STORAGE
Information Patent Grant
Electronic clock having audible time indication
- Patent number 4,176,518
- Issue date Dec 4, 1979
- Matsushita Electric Industrial Co., Ltd.
- Hakuhei Kawakami
- G04 - HOROLOGY
Information Patent Grant
Time signal clock
- Patent number 4,098,071
- Issue date Jul 4, 1978
- Matsushita Electric Industrial Co., Ltd.
- Hakuhei Kawakami
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor integrated circuit
- Publication number 20020027810
- Publication date Mar 7, 2002
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Masahisa Iida
- G11 - INFORMATION STORAGE