Mikio Yanagawa

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Akishima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic calculator with check function
- Patent number 4,580,235
- Issue date Apr 1, 1986
- Casio Computer Co., Ltd.
- Mikio Yanagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic calculator with musical note generation
- Patent number 4,336,598
- Issue date Jun 22, 1982
- Casio Computer Co., Ltd.
- Mikio Yanagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Calendar data display device for an electronic device
- Patent number 4,274,146
- Issue date Jun 16, 1981
- Casio Computer Co., Ltd.
- Mikio Yanagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic calculator with time counting function
- Patent number 4,181,963
- Issue date Jan 1, 1980
- Casio Computer Co., Ltd.
- Mikio Yanagawa
- H03 - BASIC ELECTRONIC CIRCUITRY