Inventor · disambiguated record
Eiichi Yamakawa
Also filed as: YAMAKAWA EIICHI
18 granted patents·820 citations·filing 1996–2000
96Inventor score
Files withINST ADV TECH HELICOPTER LTD18
Top patents by PatentIndex Score
18 records- 0197US6312358B1Constant speed drive apparatus for aircraft generator and traction speed change apparatusINST ADV TECH HELICOPTER LTD·Filed 2000·Granted Nov 6, 2001·150 cites·9 claims
- 0290US6499690B1Rotor blade flap drive apparatusINST ADV TECH HELICOPTER LTD·Filed 2000·Granted Dec 31, 2002·78 cites·11 claims
- 0386US6273681B1Rotor blade flap driving apparatusINST ADV TECH HELICOPTER LTD·Filed 2000·Granted Aug 14, 2001·39 cites·10 claims
- 0485US5639215AHelicopter rotor equipped with flapsINST ADV TECH HELICOPTER LTD·Filed 1996·Granted Jun 17, 1997·73 cites·1 claims
- 0581US6254504B1Power transmission apparatus for helicopterINST ADV TECH HELICOPTER LTD·Filed 1999·Granted Jul 3, 2001·33 cites·3 claims
- 0681US6053452ACompensation apparatus for main rotor torqueINST ADV TECH HELICOPTER LTD·Filed 1997·Granted Apr 25, 2000·67 cites·3 claims
- 0779US6198991B1Low-noise level landing apparatus and system for helicoptersINST ADV TECH HELICOPTER LTD·Filed 1999·Granted Mar 6, 2001·64 cites·6 claims
- 0877US6231308B1Rotor blade for rotary wing aircraftINST ADV TECH HELICOPTER LTD·Filed 1997·Granted May 15, 2001·57 cites·3 claims
- 0975US5782433AEngine deceleration device and power transmission device for helicoptersINST ADV TECH HELICOPTER LTD·Filed 1996·Granted Jul 21, 1998·52 cites·1 claims
- 1073US6454207B1Flap support mechanism and a flap-equipped rotor bladeINST ADV TECH HELICOPTER LTD·Filed 2000·Granted Sep 24, 2002·29 cites·20 claims
- 1166US5655878AHigher harmonic control apparatus for a helicopter rotorINST ADV TECH HELICOPTER LTD·Filed 1996·Granted Aug 12, 1997·37 cites·5 claims
- 1261US6190132B1Rotor blade for rotorcraftINST ADV TECH HELICOPTER LTD·Filed 1999·Granted Feb 20, 2001·35 cites·14 claims
- 1353US6315522B1Helicopter blade aerofoil and helicopter bladeINST ADV TECH HELICOPTER LTD·Filed 2000·Granted Nov 13, 2001·18 cites·6 claims
- 1450US6272404B1Flight path indicated apparatusINST ADV TECH HELICOPTER LTD·Filed 1999·Granted Aug 7, 2001·25 cites·3 claims
- 1550US6109870ARotor blade flap driving apparatusINST ADV TECH HELICOPTER LTD·Filed 1999·Granted Aug 29, 2000·26 cites·16 claims
- 1649US5957662Ahelicopter blade aerofoilINST ADV TECH HELICOPTER LTD·Filed 1997·Granted Sep 28, 1999·15 cites·4 claims
- 1740US5961290AHelicopter blade aerofoilINST ADV TECH HELICOPTER LTD·Filed 1998·Granted Oct 5, 1999·14 cites·4 claims
- 1833US6164918AHelicopter blade aerofoilINST ADV TECH HELICOPTER LTD·Filed 1998·Granted Dec 26, 2000·8 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →