Inventor · disambiguated record
Shimpei Iizuka
Also filed as: IIZUKA SHIMPEI
3 granted patents·7 citations·filing 1974–2017
55Inventor score
Top patents by PatentIndex Score
3 records- 0154US10288066B2Oil pump with sloping extension portion between dischargeYAMADA MFG CO LTD·Filed 2016·Granted May 14, 2019·0 cites·4 claims
- 0244US10247204B2Hydraulic control apparatus and hydraulic control methodYAMADA MFG CO LTD·Filed 2017·Granted Apr 2, 2019·0 cites·15 claims
- 0332US3958098AApparatus for automatic and vertical fillet weldingSUMITOMO SHIPBUILD MACHINERY·Filed 1974·Granted May 18, 1976·7 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →