Inventor · disambiguated record
Yoshio Fujikawa
Also filed as: FUJIKAWA YOSHIO
12 granted patents·173 citations·filing 1990–2017
91Inventor score
Files withNTN TOYO BEARING CO LTD12
Top patents by PatentIndex Score
12 records- 0185US10648449B2Hydroelectric power generation apparatusNTN TOYO BEARING CO LTD·Filed 2017·Granted May 12, 2020·4 cites·6 claims
- 0283US5073037ASpindle assemblyNTN TOYO BEARING CO LTD·Filed 1990·Granted Dec 17, 1991·48 cites·7 claims
- 0381US6019515AExternally pressurized gas bearing assemblyNTN TOYO BEARING CO LTD·Filed 1998·Granted Feb 1, 2000·36 cites·5 claims
- 0480US6439773B1Externally pressurized gas bearing spindle assemblyNTN TOYO BEARING CO LTD·Filed 2000·Granted Aug 27, 2002·15 cites·12 claims
- 0575US6956367B2Bearing assembly equipped with rotation sensor to determine rotation and position of rotating elementNTN TOYO BEARING CO LTD·Filed 2003·Granted Oct 18, 2005·16 cites·13 claims
- 0675US6848828B2Foil bearing and spindle device using the sameNTN TOYO BEARING CO LTD·Filed 2003·Granted Feb 1, 2005·17 cites·18 claims
- 0768US8052327B2Hydrostatic gas bearing, rotator and CT scannerNTN TOYO BEARING CO LTD·Filed 2008·Granted Nov 8, 2011·3 cites·12 claims
- 0861US6524004B2Externally pressurized gas bearing spindle assemblyNTN TOYO BEARING CO LTD·Filed 2002·Granted Feb 25, 2003·6 cites·21 claims
- 0960US10947950B2Hydroelectric power generation apparatusNTN TOYO BEARING CO LTD·Filed 2017·Granted Mar 16, 2021·0 cites·10 claims
- 1058US6581857B2Externally pressurized gas bearing spindleNTN TOYO BEARING CO LTD·Filed 2001·Granted Jun 24, 2003·10 cites·26 claims
- 1154US5660480AExternally pressurized bearing spindleNTN TOYO BEARING CO LTD·Filed 1996·Granted Aug 26, 1997·16 cites·7 claims
- 1239US7066652B2Externally pressurized gas bearing and spindle equipment using thisNTN TOYO BEARING CO LTD·Filed 2003·Granted Jun 27, 2006·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →