Yasuo Maekawa

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Tanashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic device having metal package unit having built-in antenna...
- Patent number 7,321,337
- Issue date Jan 22, 2008
- Citizen Holdings Co., Ltd.
- Ienobu Ikeda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Watch band
- Patent number 5,215,235
- Issue date Jun 1, 1993
- Citizen Watch Co., Ltd.
- Yasuo Maekawa
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Water resisting crown structure for electronic wristwatches
- Patent number 4,313,187
- Issue date Jan 26, 1982
- Citizen Watch Co., Ltd.
- Masahiko Waki
- G04 - HOROLOGY
Information Patent Grant
Watchglass fixing structure
- Patent number 4,234,948
- Issue date Nov 18, 1980
- Citizen Watch Co., Ltd.
- Yasuo Maekawa
- G04 - HOROLOGY
Information Patent Grant
Electronic wristwatch case
- Patent number 4,206,590
- Issue date Jun 10, 1980
- Citizen Watch Co., Ltd.
- Satoru Fukutome
- G04 - HOROLOGY
Information Patent Grant
Watchglass fixing structure for timepiece
- Patent number 4,206,591
- Issue date Jun 10, 1980
- Citizen Watch Co., Ltd.
- Yasuo Maekawa
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
Electronic device having metal package unit having built-in antenna...
- Publication number 20060109188
- Publication date May 25, 2006
- Ienobu Ikeda
- G04 - HOROLOGY