Inventor · disambiguated record
Shigeru Itoi
Also filed as: ITOI SHIGERU
22 granted patents·1 pending application·689 citations·filing 1991–2025
97Inventor score
Top patents by PatentIndex Score
23 records- 0197US5769110AFluid control apparatusFUJIKIN KK·Filed 1996·Granted Jun 23, 1998·85 cites·2 claims
- 0294US5983933AShutoff-opening deviceOHMI TADAHIRO·Filed 1997·Granted Nov 16, 1999·85 cites·4 claims
- 0393US6039360ACouplings for fluid controllersOHMI TADAHIRO·Filed 1998·Granted Mar 21, 2000·82 cites·6 claims
- 0488US5485984ADiaphragm valveKYOHARA MASAKO·Filed 1994·Granted Jan 23, 1996·58 cites·8 claims
- 0586US5820105ADiaphragm valveFUJIKIN KK·Filed 1996·Granted Oct 13, 1998·52 cites·3 claims
- 0685US5979944ADevice for fixing lower members and fluid control apparatus incorporating sameFUJIKIN KK·Filed 1998·Granted Nov 9, 1999·39 cites·3 claims
- 0781US6135155AFluid control deviceFUJIKIN KK·Filed 1996·Granted Oct 24, 2000·30 cites·1 claims
- 0877US5439197AFlow rate control valveKYOHARA MASAKO·Filed 1994·Granted Aug 8, 1995·37 cites·6 claims
- 0976US6453707B2Device for locking channel opening-closing handle of fluid controllerFUJIKIN KK·Filed 2001·Granted Sep 24, 2002·17 cites·2 claims
- 1074US7004199B1Fluid control apparatusFUJIKIN KK·Filed 2004·Granted Feb 28, 2006·23 cites·9 claims
- 1172US5516075AControllerFUJIKIN KK·Filed 1995·Granted May 14, 1996·32 cites·2 claims
- 1270US2025369522A1Actuator and valve deviceFUJIKIN KK·Filed 2025·Application pending·0 cites
- 1367US7175157B2Fluid controllerFUJIKIN KK·Filed 2004·Granted Feb 13, 2007·13 cites·6 claims
- 1466US6361081B1Device for fixing lower members and fluid control apparatus incorporating sameFUJIKIN KK·Filed 1999·Granted Mar 26, 2002·24 cites·4 claims
- 1565US7802771B2Fluid control deviceFUJIKIN KK·Filed 2004·Granted Sep 28, 2010·12 cites·7 claims
- 1664US5556072AControllerFUJIKIN KK·Filed 1994·Granted Sep 17, 1996·24 cites·4 claims
- 1764US5188338AFluid flow controllerKYOHARA MASAKO·Filed 1991·Granted Feb 23, 1993·24 cites·6 claims
- 1862US6779774B2Metal diaphragm valveFUJIKIN KK·Filed 2002·Granted Aug 24, 2004·10 cites·6 claims
- 1962US5771919AFluid controllerFUJIKIN KK·Filed 1996·Granted Jun 30, 1998·22 cites·14 claims
- 2050US6189350B1Device for locking channel opening-closing handle of fluid controllerFUJIKIN KK·Filed 1998·Granted Feb 20, 2001·11 cites·4 claims
- 2147US8083267B2Fluid coupling and method of designing the sameITOI SHIGERU·Filed 2003·Granted Dec 27, 2011·3 cites·2 claims
- 2244US8256115B2Method of making a fluid couplingITOI SHIGERU·Filed 2008·Granted Sep 4, 2012·2 cites·4 claims
- 2336USD513307SJoint member for fluid control apparatusFUJIKIN KK·Filed 2004·Granted Dec 27, 2005·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →