Inventor · disambiguated record
Kenichi Ichikawa
Also filed as: ICHIKAWA KENICHI
10 granted patents·1 pending application·166 citations·filing 1983–2020
89Inventor score
Files withNTN TOYO BEARING CO LTD6RICOH KK2ALPS ELECTRIC CO LTD1PANASONIC IP MAN CO LTD1VIA MECHANICS LTD1
Top patents by PatentIndex Score
11 records- 0190US4524365AReceptacle for waste ink collection in ink jet recording apparatusRICOH KK·Filed 1983·Granted Jun 18, 1985·48 cites·4 claims
- 0286US5271486ATorque limiterNTN TOYO BEARING CO LTD·Filed 1991·Granted Dec 21, 1993·39 cites·1 claims
- 0382US7571706B2Needle roller bearing and its manufacturing methodNTN TOYO BEARING CO LTD·Filed 2006·Granted Aug 11, 2009·13 cites·7 claims
- 0479US5664653ARotary unit having clutch functionNTN TOYO BEARING CO LTD·Filed 1995·Granted Sep 9, 1997·35 cites·10 claims
- 0567US5270740AInk jet headRICOH KK·Filed 1992·Granted Dec 14, 1993·23 cites·8 claims
- 0659US7665899B2Outer ring, drawn cup needle roller bearing, drawn cup needle roller bearing structured body, piston pin supporting structure of engine, crankshaft supporting structure of engine, and 2-cycle engineNTN TOYO BEARING CO LTD·Filed 2006·Granted Feb 23, 2010·1 cites·10 claims
- 0750US7603929B2Rolling bearing, cam-follower with roller, and camNTN TOYO BEARING CO LTD·Filed 2004·Granted Oct 20, 2009·4 cites·14 claims
- 0849US10414685B2Substrate processing methodVIA MECHANICS LTD·Filed 2017·Granted Sep 17, 2019·0 cites·4 claims
- 0948US12289836B2Method for manufacturing mounting substrate, and component mounting devicePANASONIC IP MAN CO LTD·Filed 2020·Granted Apr 29, 2025·0 cites·14 claims
- 1048US7490583B2Full-type rolling bearing and roller cam follower for engineNTN TOYO BEARING CO LTD·Filed 2003·Granted Feb 17, 2009·3 cites·29 claims
- 1140US2009263027A1Image processing methodALPS ELECTRIC CO LTD·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →