Inventor · disambiguated record
Ryuji Takeda
Also filed as: TAKEDA RYUJI
11 granted patents·1 pending application·337 citations·filing 1996–2010
92Inventor score
Top patents by PatentIndex Score
12 records- 0188US6089117ABall screw deviceTHK CO LTD·Filed 1998·Granted Jul 18, 2000·47 cites·15 claims
- 0288US5788763AManufacturing method of a silicon wafer having a controlled BMD concentrationTOSHIBA CERAMICS CO·Filed 1996·Granted Aug 4, 1998·111 cites·11 claims
- 0386US6341103B1Optical disk apparatus capable of correcting the drive current waveforms of stepping motorSONY CORP·Filed 2000·Granted Jan 22, 2002·27 cites·13 claims
- 0483US6754154B1Optical disk driving apparatus, optical disk driving method and optical disk apparatusSONY CORP·Filed 2000·Granted Jun 22, 2004·21 cites·8 claims
- 0577US6276225B1Ball screw assemblyTHK CO LTD·Filed 1999·Granted Aug 21, 2001·29 cites·8 claims
- 0674US6286383B1Ball screw deviceTHK CO LTD·Filed 1999·Granted Sep 11, 2001·28 cites·10 claims
- 0773US6571653B1Ball screwTHK CO LTD·Filed 1999·Granted Jun 3, 2003·25 cites·5 claims
- 0871US8642449B2Silicon waferWATANABE TAKASHI·Filed 2010·Granted Feb 4, 2014·2 cites·6 claims
- 0965US6282971B1Ball screwTHK CO LTD·Filed 1999·Granted Sep 4, 2001·20 cites·3 claims
- 1060US6054373AMethod of and apparatus for removing metallic impurities diffused in a semiconductor substrateTOSHIBA KK·Filed 1998·Granted Apr 25, 2000·24 cites·10 claims
- 1155US2009261299A1Silicon waferCOVALENT MATERIALS CORP·Filed 2009·Application pending·0 cites
- 1234US7336570B1Apparatus and method for adjusting the tilt angle of an optical pickup deviceSONY CORP·Filed 1999·Granted Feb 26, 2008·3 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →