Inventor · disambiguated record
Seiji Suga
Also filed as: SUGA SEIJI
43 granted patents·7 pending applications·621 citations·filing 1986–2013
98Inventor score
Files withHITACHI LTD19ATSUGI UNISIA CORP15JAPAN SCIENCE & TECH AGENCY3NISSAN MOTOR3SUMITOMO CHEMICAL CO3
Top patents by PatentIndex Score
50 records- 0194US7444971B2Valve timing control apparatus of internal combustion engineHITACHI LTD·Filed 2007·Granted Nov 4, 2008·24 cites·23 claims
- 0293US7520260B2Multistage fuel-injection internal combustion engineHITACHI LTD·Filed 2006·Granted Apr 21, 2009·25 cites·20 claims
- 0393US4811698AValve timing adjusting mechanism for internal combustion engine for adjusting timing of intake valve and/or exhaust valve corresponding to engine operating conditionsATSUGI MOTOR PARTS CO LTD·Filed 1986·Granted Mar 14, 1989·56 cites·10 claims
- 0492US7246581B2Variable valve timing control apparatus of internal combustion engineHITACHI LTD·Filed 2005·Granted Jul 24, 2007·14 cites·20 claims
- 0591US7406935B2Variable valve timing control apparatus of internal combustion engineHITACHI LTD·Filed 2007·Granted Aug 5, 2008·11 cites·11 claims
- 0689US7198012B2Valve timing control apparatus for internal combustion engineHITACHI LTD·Filed 2005·Granted Apr 3, 2007·13 cites·40 claims
- 0786US7827949B2Variable valve timing control apparatus of internal combustion engineHITACHI LTD·Filed 2008·Granted Nov 9, 2010·8 cites·12 claims
- 0886US5012773AIntake- and/or exhaust-valve timing control system for internal combustion engineATSUGI MOTOR PARTS CO LTD·Filed 1989·Granted May 7, 1991·37 cites·7 claims
- 0985US7514589B2Method for producing aromatic iodidesNIPPOH CHEMICALS·Filed 2005·Granted Apr 7, 2009·4 cites·20 claims
- 1085US5088456AValve timing control system to adjust phase relationship between maximum, intermediate, and minimum advance positionATSUGI UNISIA CORP·Filed 1991·Granted Feb 18, 1992·41 cites·9 claims
- 1184US7444254B2Valve timing control apparatus of internal combustion engineHITACHI LTD·Filed 2006·Granted Oct 28, 2008·9 cites·23 claims
- 1283US8648223B2Method of producing iodizing agent, and method of producing aromatic iodine compoundJAPAN SCIENCE & TECH AGENCY·Filed 2013·Granted Feb 11, 2014·2 cites·5 claims
- 1383US5058539AValve timing adjusting system for internal combustion engineATSUGI UNISIA CORP·Filed 1990·Granted Oct 22, 1991·42 cites·13 claims
- 1483US4934347AVariable compression piston arrangement for internal combustion engineNISSAN MOTOR·Filed 1988·Granted Jun 19, 1990·38 cites·17 claims
- 1582US8809602B2Method of producing iodizing agent, and method of producing aromatic iodine compoundJAPAN SCIENCE & TECH AGENCY·Filed 2013·Granted Aug 19, 2014·2 cites·2 claims
- 1682US7478614B2Variably operated valve system for compression ignition engineHITACHI LTD·Filed 2006·Granted Jan 20, 2009·8 cites·19 claims
- 1781US7162984B2Valve timing control system for internal combustion engine and method for assembling sameHITACHI LTD·Filed 2006·Granted Jan 16, 2007·7 cites·3 claims
- 1881US4809650AVariable compression control arrangement for internal combustion engineNISSAN MOTOR·Filed 1987·Granted Mar 7, 1989·35 cites·11 claims
- 1980US7581519B2Phase adjusting apparatus and a cam shaft phase adjusting apparatus for an internal combustion engineHITACHI LTD·Filed 2007·Granted Sep 1, 2009·7 cites·11 claims
- 2076US8383868B2Method of producing iodizing agent, and method of producing aromatic iodine compoundJAPAN SCIENCE & TECH AGENCY·Filed 2008·Granted Feb 26, 2013·2 cites·4 claims
- 2176US7150251B2Valve timing control apparatusHITACHI LTD·Filed 2005·Granted Dec 19, 2006·6 cites·10 claims
- 2276US5117785AValve timing control device for internal combustion engineATSUGI UNISIA CORP·Filed 1990·Granted Jun 2, 1992·26 cites·12 claims
- 2374US7409937B2Hydraulic control system for internal combustion engineHITACHI LTD·Filed 2006·Granted Aug 12, 2008·8 cites·10 claims
- 2471US5156119AValve timing control apparatusATSUGI UNISIA CORP·Filed 1991·Granted Oct 20, 1992·26 cites·3 claims
- 2564US5203291AValve timing control system for internal combustion engineATSUGI UNISIA CORP·Filed 1991·Granted Apr 20, 1993·18 cites·14 claims
- 2662US7287498B2Valve timing control apparatus and its assembling methodHITACHI LTD·Filed 2005·Granted Oct 30, 2007·2 cites·19 claims
- 2762US6531602B22-Pyridysilane, processes for producing and using the sameSUMITOMO CHEMICAL CO·Filed 2002·Granted Mar 11, 2003·2 cites·2 claims
- 2858US5309873AValve timing control system for internal combustion engineATSUGI UNISIA CORP·Filed 1992·Granted May 10, 1994·19 cites·8 claims
- 2957US5592910ACamshaft phase changing deviceUNISIA JECS CORP·Filed 1995·Granted Jan 14, 1997·16 cites·15 claims
- 3055US5167206AContinuously variable valve timing control systemATSUGI UNISIA CORP·Filed 1991·Granted Dec 1, 1992·16 cites·11 claims
- 3154US5209193AIntake- and/or exhaust-valve timing control system for internal combustion enginesATSUGI UNISIA CORP·Filed 1991·Granted May 11, 1993·17 cites·6 claims
- 3253US7424875B2Phase controller and cam shaft phase controller for internal combustion engineHITACHI LTD·Filed 2007·Granted Sep 16, 2008·1 cites·19 claims
- 3350US4960084AValve timing control system for internal combustion engineNISSAN MOTOR·Filed 1989·Granted Oct 2, 1990·12 cites·11 claims
- 3449US5113814AValve timing control system for internal combustion engine with enhanced response characteristics in adjustment of valve timingATSUGI UNISIA CORP·Filed 1991·Granted May 19, 1992·13 cites·5 claims
- 3548US2008022952A1Valve timing control apparatus and its assembling methodHITACHI LTD·Filed 2007·Application pending·0 cites
- 3647US5150671AIntake- and/or exhaust-valve timing control system for internal combustion enginesATSUGI UNISIA CORP·Filed 1991·Granted Sep 29, 1992·10 cites·8 claims
- 3747US2003139600A12-pyridylsilane, processes for producing and using the sameSUMITOMO CHEMICAL CO·Filed 2003·Application pending·0 cites
- 3845US6548673B12-pyridylsilane, processes for producing and using the sameSUMITOMO CHEMICAL CO·Filed 2000·Granted Apr 15, 2003·0 cites·2 claims
- 3942US5056479AValve timing control device for internal combustion engineATSUGI UNIDIA CORP·Filed 1990·Granted Oct 15, 1991·11 cites·5 claims
- 4040US2006272608A1Compression ignition engineHITACHI LTD·Filed 2006·Application pending·0 cites
- 4140US2008251042A1Device for Controlling Phase of Cam Shaft in Internal Combustion Engine and Phase Controlling deviceHITACHI LTD·Filed 2007·Application pending·0 cites
- 4239US2006260577A1Valve timing control apparatus and internal combustion engineHITACHI LTD·Filed 2006·Application pending·0 cites
- 4339US2006266318A1Valve timing control apparatus and internal combustion engineHITACHI LTD·Filed 2006·Application pending·0 cites
- 4438US5129370AValve timing control device for automotive internal combustion engine clutch mechanismATSUGI UNISIA CORP·Filed 1990·Granted Jul 14, 1992·7 cites·6 claims
- 4538US2009034362A1Microdevice and method for joining fluidsFUJIFILM CORP·Filed 2005·Application pending·0 cites
- 4637US5447126AVariabe cam phaser for internal combustion engineUNISIA JECS CORP·Filed 1994·Granted Sep 5, 1995·8 cites·17 claims
- 4735US5040499AIntake- and/or exhaust-valve timing control system for internal combustion enginesATSUGI UNISIA CORP·Filed 1990·Granted Aug 20, 1991·6 cites·9 claims
- 4835US4936264AIntake- and/or exhaust-valve timing control system for internal combustion enginesATSUGI UNISIA CORP·Filed 1989·Granted Jun 26, 1990·4 cites·8 claims
- 4934US5178106AValve timing control apparatusATSUGI UNISIA CORP·Filed 1991·Granted Jan 12, 1993·4 cites·7 claims
- 5026US4996955AIntake- and/or exhaust-valve timing control system for internal combustion enginesATSUGI UNISIA CORP·Filed 1989·Granted Mar 5, 1991·4 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →