Inventor · disambiguated record
Yasuyuki Oka
Also filed as: OKA YASUYUKI
4 granted patents·15 citations·filing 1986–2019
68Inventor score
Top patents by PatentIndex Score
4 records- 0143US4926213AApparatus for holding sensitized material in slitwise exposure type copying cameraDAINIPPON SCREEN MFG·Filed 1988·Granted May 15, 1990·4 cites·15 claims
- 0242US11773950B2Tractor, travel power transmission apparatus for a tractor, and tractor provided with the travel power transmission apparatus for a tractorKUBOTA KK·Filed 2019·Granted Oct 3, 2023·0 cites·6 claims
- 0341US4754302AWet type color electrophotographic copying machineKOMATSUBARA SHOJI·Filed 1986·Granted Jun 28, 1988·9 cites·6 claims
- 0433US5237366AScanning exposure-reproduction apparatus and scaling reproduction method thereforDAINIPPON SCREEN MFG·Filed 1991·Granted Aug 17, 1993·2 cites·12 claims
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