Kazuya Mitaki

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Houya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sensor function-equipped portable device
- Patent number 6,466,521
- Issue date Oct 15, 2002
- Citizen Watch Co., Ltd.
- Kazuya Mitaki
- G04 - HOROLOGY
Information Patent Grant
Electronic watch having a water depth measuring function
- Patent number 5,753,833
- Issue date May 19, 1998
- Citizen Watch Co., Ltd.
- Kazuya Mitaki
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Electronic equipment with depth measuring function
- Patent number 5,519,671
- Issue date May 21, 1996
- Citizen Watch Co., Ltd.
- Tomomi Murakami
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Sensor signal processor
- Patent number 4,879,669
- Issue date Nov 7, 1989
- Citizen Watch Co., Ltd.
- Hiroyuki Kihara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic equipment with geomagnetic direction sensor
- Patent number 4,668,100
- Issue date May 26, 1987
- Citizen Watch Co., Ltd.
- Tomomi Murakami
- G01 - MEASURING TESTING