Inventor · disambiguated record
Yasuo Ichikawa
Also filed as: ICHIKAWA YASUO
6 granted patents·1 pending application·54 citations·filing 1986–2020
75Inventor score
Files withKOBELCO CONSTR MACH CO LTD2CITIZEN WATCH CO LTD1KOBELCO CRANES CO LTD1KOYO SEIKO CO1NIHON VALQUA KOGYO KK1
Top patents by PatentIndex Score
7 records- 0178US4735286ADetector for detecting malfunction of lubricating oil feederKOYO SEIKO CO·Filed 1986·Granted Apr 5, 1988·42 cites·6 claims
- 0260US4960337ARibbon mask for a printerCITIZEN WATCH CO LTD·Filed 1989·Granted Oct 2, 1990·12 cites·3 claims
- 0352US10373768B2Method for producing electrode film for electric double layer capacitorsNIHON VALQUA KOGYO KK·Filed 2014·Granted Aug 6, 2019·0 cites·2 claims
- 0446US12331770B2Structure unitKOBELCO CONSTR MACH CO LTD·Filed 2020·Granted Jun 17, 2025·0 cites·4 claims
- 0544US12434947B2Handrail device and work machine comprising sameKOBELCO CONSTR MACH CO LTD·Filed 2020·Granted Oct 7, 2025·0 cites·10 claims
- 0639US9139404B2Raisable-lowerable memberKOBELCO CRANES CO LTD·Filed 2014·Granted Sep 22, 2015·0 cites·7 claims
- 0730US2011290751A1Lattice boomYAMAGUCHI TAKUNORI·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →