Inventor · disambiguated record
Hiroyuki Tsuzuku
Also filed as: TSUZUKU HIROYUKI
12 granted patents·1 pending application·283 citations·filing 1994–2005
93Inventor score
Files withYAMAHA MOTOR CO LTD12
Top patents by PatentIndex Score
13 records- 0191US5836274AMulti valve engine with variable valve operationYAMAHA MOTOR CO LTD·Filed 1996·Granted Nov 17, 1998·37 cites·14 claims
- 0288US5852994AInduction control system for multi-valve engineYAMAHA MOTOR CO LTD·Filed 1996·Granted Dec 29, 1998·41 cites·25 claims
- 0383US5758612AValve actuating structure for multi-valve engineYAMAHA MOTOR CO LTD·Filed 1997·Granted Jun 2, 1998·38 cites·35 claims
- 0483US5606942AValve operating system for multi-valve engineYAMAHA MOTOR CO LTD·Filed 1995·Granted Mar 4, 1997·46 cites·13 claims
- 0577US7302934B2Saddle-straddling type motor vehicleYAMAHA MOTOR CO LTD·Filed 2005·Granted Dec 4, 2007·9 cites·18 claims
- 0676US5819706AAir-assisted injection system for multi-valve engineYAMAHA MOTOR CO LTD·Filed 1995·Granted Oct 13, 1998·29 cites·25 claims
- 0771US5799638ADirection injection system for multi-valve engineYAMAHA MOTOR CO LTD·Filed 1997·Granted Sep 1, 1998·25 cites·21 claims
- 0868US5785017AVariable valve timing mechanismYAMAHA MOTOR CO LTD·Filed 1996·Granted Jul 28, 1998·17 cites·29 claims
- 0966US6148794AInduction control system for multi-valve engineYAMAHA MOTOR CO LTD·Filed 1997·Granted Nov 21, 2000·18 cites·9 claims
- 1052US5809953AVariable valve timing mechanismYAMAHA MOTOR CO LTD·Filed 1997·Granted Sep 22, 1998·9 cites·6 claims
- 1140US5595156AInduction control system for multi-valve engineYAMAHA MOTOR CO LTD·Filed 1995·Granted Jan 21, 1997·7 cites·27 claims
- 1238US5575254AInduction system for engineYAMAHA MOTOR CO LTD·Filed 1994·Granted Nov 19, 1996·7 cites·15 claims
- 1330US2001003281A1Combustion chamber for direct injection engineFiled 1999·Application pending·0 cites
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