Inventor · disambiguated record
Toshiaki Iwabuchi
Also filed as: IWABUCHI TOSHIAKI
15 granted patents·1 pending application·750 citations·filing 1991–2019
94Inventor score
Top patents by PatentIndex Score
16 records- 0198US6321780B1Valve for controlling flow rate of gasBENKAN CORP·Filed 2000·Granted Nov 27, 2001·420 cites·8 claims
- 0293US7377483B2Diaphragm valveKITZ SCT CORP·Filed 2005·Granted May 27, 2008·32 cites·3 claims
- 0393US5678595AVacuum exhaust valveBENKAN CORP·Filed 1995·Granted Oct 21, 1997·79 cites·4 claims
- 0490US11209092B2Vacuum gate valveKITZ SCT CORP·Filed 2019·Granted Dec 28, 2021·5 cites·5 claims
- 0590US7828267B2Slide valveKITZ SCT CORP·Filed 2006·Granted Nov 9, 2010·20 cites·7 claims
- 0689US10364901B2Vacuum gate valveKITZ SCT CORP·Filed 2017·Granted Jul 30, 2019·6 cites·12 claims
- 0787US5755255AGate valve for regulating gas flow in semiconductor manufacturingBENKAN CORP·Filed 1997·Granted May 26, 1998·69 cites·4 claims
- 0881US8123195B2Pressure control butterfly valve with opening/closing mechanismIWABUCHI TOSHIAKI·Filed 2008·Granted Feb 28, 2012·13 cites·6 claims
- 0979US7100892B2Non-rubbing gate valve for semiconductor fabrication apparatusKITZ SCT CORP·Filed 2004·Granted Sep 5, 2006·22 cites·6 claims
- 1064US5160178ADirect sealing couplingCOM KK·Filed 1991·Granted Nov 3, 1992·31 cites·2 claims
- 1159US5390895ASlow vent valveBENKAN CORP·Filed 1994·Granted Feb 21, 1995·22 cites·1 claims
- 1256US6572075B2Valve for controlling flow rate of gasKITZ SCT CORP·Filed 2001·Granted Jun 3, 2003·8 cites·12 claims
- 1352US7131629B2Composite valve for gas supply systemKITZ SCT CORP·Filed 2004·Granted Nov 7, 2006·9 cites·12 claims
- 1450US5174335ABidirectional vacuum valveCOM KK·Filed 1992·Granted Dec 29, 1992·14 cites·6 claims
- 1540US2005284529A1Integrated gas control deviceIWABUCHI TOSHIAKI·Filed 2005·Application pending·0 cites
- 1639US10471479B2Treatment device and exhaust switching device therefor, and exhaust switching unit and switching valve boxSCREEN HOLDINGS CO LTD·Filed 2013·Granted Nov 12, 2019·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →