Inventor · disambiguated record
Tomio Sugiyama
Also filed as: SUGIYAMA TOMIO
22 granted patents·5 pending applications·415 citations·filing 1994–2014
96Inventor score
Top patents by PatentIndex Score
27 records- 0189US7121128B2Method of manufacturing elliptic deep-drawn productsHONDA MOTOR CO LTD·Filed 2004·Granted Oct 17, 2006·26 cites·15 claims
- 0279US5419828AAir fuel ratio detecting apparatus and method for manufacturing thereofNIPPON DENSO CO·Filed 1994·Granted May 30, 1995·51 cites·12 claims
- 0374US7045047B2Gas sensor elementDENSO CORP·Filed 2002·Granted May 16, 2006·12 cites·13 claims
- 0472US5787866AAir-fuel ratio sensorDENSO CORP·Filed 1997·Granted Aug 4, 1998·38 cites·15 claims
- 0571US6332965B1Composite gas sensorDENSO CORP·Filed 1998·Granted Dec 25, 2001·32 cites·6 claims
- 0671US6205843B1Gas sensing element and a method for measuring a specific gas concentrationDENSO CORP·Filed 1999·Granted Mar 27, 2001·35 cites·13 claims
- 0768US6340419B1Multilayered air-fuel ratio sensing elementDENSO CORP·Filed 1999·Granted Jan 22, 2002·32 cites·9 claims
- 0866US5447618AOxygen sensorNIPPON DENSO CO·Filed 1994·Granted Sep 5, 1995·28 cites·1 claims
- 0965US5522979AStratified ceramic body, oxygen sensor using the same and fabrication method thereofNIPPON DENSO CO·Filed 1995·Granted Jun 4, 1996·35 cites·10 claims
- 1064US6660142B2Nonfragile and quickly activatable structure of gas sensor elementDENSO CORP·Filed 2001·Granted Dec 9, 2003·5 cites·6 claims
- 1159US9709457B2Method of detecting defects in honeycomb structural bodyDENSO CORP·Filed 2014·Granted Jul 18, 2017·1 cites·9 claims
- 1259US5830339AGas concentration detectorDENSO CORP·Filed 1996·Granted Nov 3, 1998·22 cites·19 claims
- 1356US6949175B2Gas sensing elementDENSO CORP·Filed 2001·Granted Sep 27, 2005·1 cites·11 claims
- 1452US5421984AOxygen concentration sensorNIPPON DENSO CO·Filed 1994·Granted Jun 6, 1995·16 cites·8 claims
- 1551US5804699AAir-fuel ratio sensor unitNIPPON DENSO CO·Filed 1996·Granted Sep 8, 1998·15 cites·8 claims
- 1650US6258233B1Multilayered air-fuel ratio sensing elementDENSO CORP·Filed 1999·Granted Jul 10, 2001·14 cites·4 claims
- 1749US5660661AOxygen sensorNIPPON DENSO CO·Filed 1995·Granted Aug 26, 1997·11 cites·3 claims
- 1847US6338782B1Gas sensorDENSO CORP·Filed 1999·Granted Jan 15, 2002·12 cites·8 claims
- 1947US2007246359A1Gas sensing element, gas sensor using the same and related manufacturing methodDENSO CORP·Filed 2007·Application pending·0 cites
- 2047US2007235332A1Structure of gas sensor ensuring adhesion of electric leadDENSO CORP·Filed 2007·Application pending·0 cites
- 2147US2002038761A1Composite gas sensorFiled 2001·Application pending·0 cites
- 2247US2004217000A1Gas sensor element and manufacturing the sameDENSO CORP·Filed 2004·Application pending·0 cites
- 2346US6156176AAir fuel ratio sensor with oxygen pump cellDENSO CORP·Filed 1998·Granted Dec 5, 2000·15 cites·20 claims
- 2440US6110348ANOx sensor and manufacturing method of the sameDENSO CORP·Filed 1998·Granted Aug 29, 2000·7 cites·5 claims
- 2540US5811660AAir-fuel ratio sensing elementDENSO CORP·Filed 1996·Granted Sep 22, 1998·7 cites·13 claims
- 2639US2002008024A1Multilayered gas sensing element employable in an exhaust system of an internal combustion engine and manufacturing method thereofFiled 2001·Application pending·0 cites
- 2730US7824531B2Multilayered air-fuel ratio sensorDENSO CORP·Filed 1998·Granted Nov 2, 2010·0 cites·31 claims
Join the waitlist — get patent alerts
Get an alert when Tomio Sugiyama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →