Inventor · disambiguated record
Toru Kumagai
Also filed as: KUMAGAI TORU
14 granted patents·5 pending applications·325 citations·filing 1986–2021
93Inventor score
Files withHONDA MOTOR CO LTD3SANKYO SEIKI SEISAKUSHO KK3SEIKO INSTR INC3AGENCY IND SCIENCE TECHN2KATO KIKUYA1
Top patents by PatentIndex Score
19 records- 0190US6377145B1Vibration actuator having magnetic circuit elastically supported by a spiral damper with increased complianceTOKIN CORP·Filed 2000·Granted Apr 23, 2002·80 cites·7 claims
- 0284US4706108AAutomatic setup system for controlling color gain, hue and white balance of TV monitorSONY CORP·Filed 1986·Granted Nov 10, 1987·57 cites·3 claims
- 0378US6628798B2Vibration actuator having three vibration modesNEC TOKIN CORP·Filed 2000·Granted Sep 30, 2003·32 cites·29 claims
- 0478US5572384AMagnetic disk drive device having lead wire holding structureSANKYO SEIKI SEISAKUSHO KK·Filed 1994·Granted Nov 5, 1996·31 cites·2 claims
- 0576US6552456B2Hydraulic dynamic pressure bearing motorSEIKO INSTR INC·Filed 2001·Granted Apr 22, 2003·17 cites·17 claims
- 0671US10077081B2Vehicle roof structure and method for manufacturing vehicle roof structureHONDA MOTOR CO LTD·Filed 2015·Granted Sep 18, 2018·3 cites·2 claims
- 0768US12319818B2Charge-adjustment powder having excellent ability to maintain applied charge, and method of manufacturing the sameTITAN KOGYO KK·Filed 2021·Granted Jun 3, 2025·0 cites·11 claims
- 0867US8276796B2Device and method for cutting off substrate of fragile materialNISHISAKA YUKI·Filed 2006·Granted Oct 2, 2012·9 cites·16 claims
- 0955US6575633B2Hydraulic bearing motorSEIKO INSTR INC·Filed 2001·Granted Jun 10, 2003·6 cites·10 claims
- 1051US5938598AMagnetic field source movable phantom headAGENCY IND SCIENCE TECHN·Filed 1997·Granted Aug 17, 1999·24 cites·10 claims
- 1150US5572078ASpindle motorSANKYO SEIKI SEISAKUSHO KK·Filed 1995·Granted Nov 5, 1996·17 cites·8 claims
- 1247US7191806B2Oil injecting apparatusSEIKO INSTR INC·Filed 2004·Granted Mar 20, 2007·3 cites·9 claims
- 1346US2009084774A1Method for joining dissimilar materialsHONDA MOTOR CO LTD·Filed 2008·Application pending·0 cites
- 1444US5706811AMethod and apparatus for setting reference point for organic measurementAGENCY IND SCIENCE TECHN·Filed 1995·Granted Jan 13, 1998·42 cites·19 claims
- 1538US5633769AMagnetic disc drive deviceSANKYO SEIKI SEISAKUSHO KK·Filed 1995·Granted May 27, 1997·4 cites·16 claims
- 1638US2010313621A1Roller hemming apparatus and roller hemming methodHONDA MOTOR CO LTD·Filed 2010·Application pending·0 cites
- 1737US2014227706A1Method for assessing progression of clinical state of malignant neoplasm by quantitative detection of DNA in bloodKATO KIKUYA·Filed 2012·Application pending·0 cites
- 1836US2008135532A1Method of and an Apparatus for Forming a Perpendicular Crack in a Brittle SubstrateMITSUBOSHI DIAMOND IND CO LTD·Filed 2005·Application pending·0 cites
- 1934US2002096962A1Spindle motorFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →