Assignee
YAMAKAWA MASAMI
JP·3 granted patents·87 citations·filing 1987–2016
Top patents by PatentIndex Score
3 records- 0187US4792685APhotoelectric sensorYAMAKAWA MASAMI·Filed 1987·Granted Dec 20, 1988·71 cites·8 claims
- 0276US10126211B2Bodily fluid samplerYAMAKAWA MASAMI·Filed 2016·Granted Nov 13, 2018·3 cites·6 claims
- 0346US4967069ASpherical photoelectric sensorYAMAKAWA MASAMI·Filed 1988·Granted Oct 30, 1990·13 cites·12 claims
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