Inventor · disambiguated record
Eiichi Ishigaki
Also filed as: ISHIGAKI EIICHI
20 granted patents·424 citations·filing 1977–2002
96Inventor score
Top patents by PatentIndex Score
20 records- 0192US6634508B1Screw pressISHIGAKI MECH IND·Filed 2000·Granted Oct 21, 2003·66 cites·11 claims
- 0290US5357855AScrew press for dewatering a slurryISHIGAKI MECH IND·Filed 1991·Granted Oct 25, 1994·39 cites·9 claims
- 0384US6615710B1Screw press apparatusISHIGAKI MECH IND·Filed 1999·Granted Sep 9, 2003·70 cites·23 claims
- 0478US6283805B1Water jet propulsion type outboard motorISHIGAKI MECH IND·Filed 1998·Granted Sep 4, 2001·23 cites·2 claims
- 0578USD251626SToy loader with pivotable shovel and removable nested componentsCOMBI CO·Filed 1977·Granted Apr 17, 1979·13 cites·1 claims
- 0676US5989083AWater jet propulsion device for vesselsISHIGAKI MECH IND·Filed 1996·Granted Nov 23, 1999·23 cites·8 claims
- 0771US6461507B1Continuous squeeze-dewatering deviceISHIGAKI MECH IND·Filed 1999·Granted Oct 8, 2002·45 cites·42 claims
- 0869US6923694B2Waterjet propelling device of boatISHIGAKI MECH IND·Filed 2002·Granted Aug 2, 2005·11 cites·6 claims
- 0969US4919775AMethod and apparatus for electrolytic treatment of sludgeISHIGAKI MECH IND·Filed 1988·Granted Apr 24, 1990·31 cites·4 claims
- 1067US5487644APump having a single or a plurality of helical bladesISHIGAKI MECH IND·Filed 1994·Granted Jan 30, 1996·34 cites·3 claims
- 1161US7021890B2Turbo pumpISHIGAKI MECH IND·Filed 2002·Granted Apr 4, 2006·11 cites·15 claims
- 1259US6645018B2Boat propulsion deviceISHIGAKI MECH IND·Filed 2001·Granted Nov 11, 2003·7 cites·8 claims
- 1355US6183319B1Closure preventive device for water jet propulsion type outboard motorISHIGAKI MECH IND·Filed 1998·Granted Feb 6, 2001·10 cites·14 claims
- 1454US6821167B2Outboard motorISHIGAKI MECH IND·Filed 2002·Granted Nov 23, 2004·8 cites·20 claims
- 1551US6102757AWater jet propulsion device for marine vesselISHIGAKI MECH IND·Filed 1997·Granted Aug 15, 2000·9 cites·18 claims
- 1648US6752671B2Water jet propulsion type outboard engineISHIGAKI CO LTD·Filed 2002·Granted Jun 22, 2004·7 cites·17 claims
- 1745US6786167B2Propulsion system for boatsISHIGAKI MECH IND·Filed 2001·Granted Sep 7, 2004·2 cites·11 claims
- 1845US6193570B1Water jet propulsion system for watercraftISHIGAKI MECH IND·Filed 1998·Granted Feb 27, 2001·7 cites·4 claims
- 1939US6086436AWater jet propulsion device for marine vesselISHIGAKI MECH IND·Filed 1997·Granted Jul 11, 2000·5 cites·16 claims
- 2039USD408779SMotorboatISHIGAKI MECH IND·Filed 1998·Granted Apr 27, 1999·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →