Inventor · disambiguated record
Tadashi Sonobe
Also filed as: SONOBE TADASHI · YAMASHINA YOKO
15 granted patents·268 citations·filing 1980–2004
94Inventor score
Files withHITACHI LTD15
Top patents by PatentIndex Score
15 records- 0193US6426578B1Electric rotating machineHITACHI LTD·Filed 2001·Granted Jul 30, 2002·49 cites·7 claims
- 0291US6242825B1Electric rotating machine with reduced thickness and volume of insulationHITACHI LTD·Filed 1999·Granted Jun 5, 2001·67 cites·9 claims
- 0378US6359350B1Rotary electric machineHITACHI LTD·Filed 2000·Granted Mar 19, 2002·27 cites·5 claims
- 0477US6262502B1Rotating machineHITACHI LTD·Filed 2000·Granted Jul 17, 2001·14 cites·8 claims
- 0575US6262501B1Rotating machineHITACHI LTD·Filed 2000·Granted Jul 17, 2001·13 cites·4 claims
- 0674US6265795B1Rotating machineHITACHI LTD·Filed 2000·Granted Jul 24, 2001·12 cites·20 claims
- 0772US6359351B1Rotating machineHITACHI LTD·Filed 2001·Granted Mar 19, 2002·11 cites·4 claims
- 0870US6936939B2Rotating electric machine and cooling method thereofHITACHI LTD·Filed 2004·Granted Aug 30, 2005·13 cites·12 claims
- 0970US6538351B2Rotating machine with plural coolers in plural ventilation passagesHITACHI LTD·Filed 2002·Granted Mar 25, 2003·10 cites·2 claims
- 1069US6201323B1Rotating machineHITACHI LTD·Filed 1999·Granted Mar 13, 2001·19 cites·3 claims
- 1161US6316852B1Rotating machineHITACHI LTD·Filed 2000·Granted Nov 13, 2001·11 cites·16 claims
- 1246US6737768B2Rotating electric machineHITACHI LTD·Filed 2001·Granted May 18, 2004·3 cites·3 claims
- 1345US6288461B1Electric rotary machineHITACHI LTD·Filed 1999·Granted Sep 11, 2001·13 cites·17 claims
- 1435US6724107B1Dynamo-electric machineHITACHI LTD·Filed 1999·Granted Apr 20, 2004·6 cites·6 claims
- 1523US4331897ACommutator apparatus for rotary electric machineHITACHI LTD·Filed 1980·Granted May 25, 1982·0 cites·8 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →