Assignee
WATANABE INSTR
3 granted patents·28 citations·filing 1979–1981
Top patents by PatentIndex Score
3 records- 0154US4401996AApparatus for recording-pen interchangeWATANABE INSTR·Filed 1981·Granted Aug 30, 1983·18 cites·16 claims
- 0240US4236163AThermal recording stylusWATANABE INSTR·Filed 1979·Granted Nov 25, 1980·5 cites·5 claims
- 0333US4318110AMulti-channel recording instrumentWATANABE INSTR·Filed 1980·Granted Mar 2, 1982·5 cites·2 claims
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