Etsuro Nakajima

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Shoe or boot provided with tank chambers
- Patent number 5,230,249
- Issue date Jul 27, 1993
- Casio Computer Co., Ltd.
- Ken Sasaki
- A43 - FOOTWEAR
Information Patent Grant
Electronic timepiece including slidable digital display sections
- Patent number 4,697,931
- Issue date Oct 6, 1987
- Casio Computer Co., Ltd.
- Masayoshi Okuyama
- G04 - HOROLOGY