Inventor · disambiguated record
Atsushi Tomizawa
Also filed as: TOMIZAWA ATSUSHI
34 granted patents·8 pending applications·170 citations·filing 1988–2021
96Inventor score
Files withNIPPON STEEL & SUMITOMO METAL CORP11TOMIZAWA ATSUSHI11SUMITOMO METAL IND5YOSHIDA MICHITAKA3KUWAYAMA SHINJIRO2
Top patents by PatentIndex Score
42 records- 0193US8863565B2Three-dimensionally bending machine, bending-equipment line, and bent productTOMIZAWA ATSUSHI·Filed 2010·Granted Oct 21, 2014·11 cites·15 claims
- 0291US8919171B2Method for three-dimensionally bending workpiece and bent productTOMIZAWA ATSUSHI·Filed 2010·Granted Dec 30, 2014·9 cites·6 claims
- 0390US8511135B2Bending apparatusKUWAYAMA SHINJIRO·Filed 2011·Granted Aug 20, 2013·9 cites·5 claims
- 0488US10071774B2Joining structure for member in vehicle bodyNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Sep 11, 2018·3 cites·6 claims
- 0588US8316683B2Method of manufacturing a bent product and an apparatus and a continuous line for manufacturing the sameTOMIZAWA ATSUSHI·Filed 2009·Granted Nov 27, 2012·12 cites·14 claims
- 0687US8567225B2Method and apparatus for manufacturing a bent memberOKADA NOBUHIRO·Filed 2012·Granted Oct 29, 2013·4 cites·10 claims
- 0786US8454079B2Strength member for an automobile body, front side member, and side structure for an automobile bodyYOSHIDA MICHITAKA·Filed 2012·Granted Jun 4, 2013·12 cites·15 claims
- 0885US8833127B2Hollow member and an apparatus and method for its manufactureTOMIZAWA ATSUSHI·Filed 2011·Granted Sep 16, 2014·5 cites·7 claims
- 0985US8528380B2Bending apparatusKUWAYAMA SHINJIRO·Filed 2011·Granted Sep 10, 2013·6 cites·34 claims
- 1085US7484393B2Profile mother pipe for hydraulic bulging, hydraulic bulging apparatus using the same, hydraulic bulging method, and hydraulic bulged productSUMITOMO METAL IND·Filed 2006·Granted Feb 3, 2009·9 cites·20 claims
- 1184US8136871B2Strength member for an automobile body, front side member, and side structure for an automobile bodyYOSHIDA MICHITAKA·Filed 2009·Granted Mar 20, 2012·15 cites·8 claims
- 1283US10406581B2Method for manufacturing a worked member using an induction heating coilNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Sep 10, 2019·4 cites·1 claims
- 1382US7694787B2Shock absorbing member for vehicleTOYOTA TEKKO KK·Filed 2006·Granted Apr 13, 2010·9 cites·9 claims
- 1480US10537927B2Method for manufacturing a bent memberNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Jan 21, 2020·1 cites·3 claims
- 1575US8490457B2Bent metal member and a method for its manufactureNAKAMURA TOYOMITSU·Filed 2011·Granted Jul 23, 2013·2 cites·1 claims
- 1675US5636544ACold rolling method for a metal strip and a mill arraySUMITOMO METAL IND·Filed 1992·Granted Jun 10, 1997·17 cites·10 claims
- 1774US10543519B2Manufacturing method for bent member and hot-bending apparatus for steel materialNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Jan 28, 2020·1 cites·14 claims
- 1873US10335843B2Method for manufacturing bent member, and hot-bending apparatus for steel materialNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Jul 2, 2019·1 cites·4 claims
- 1973US9821357B2Method and apparatus for manufacturing a bent productTOMIZAWA ATSUSHI·Filed 2011·Granted Nov 21, 2017·2 cites·7 claims
- 2069US9409269B2Positioning apparatus, working system, and hot working apparatusOKAHISA MANABU·Filed 2012·Granted Aug 9, 2016·1 cites·5 claims
- 2169US9045817B2Heat treated galvannealed steel material and a method for its manufactureTOKI TAMOTSU·Filed 2010·Granted Jun 2, 2015·1 cites·16 claims
- 2267US10016802B2Method and apparatus for manufacturing a bent productNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Jul 10, 2018·0 cites·1 claims
- 2367US7827839B2Profile element pipe for hydraulic bulging, hydraulic bulging device using the element pipe, hydraulic bulging method using the element pipe, and hydraulically bulged productSUMITOMO METAL IND·Filed 2007·Granted Nov 9, 2010·4 cites·19 claims
- 2467US5390518AMethod for shining metal sheet surfaces and method for cold-rolling metallic materialsMITSUBISHI HEAVY IND LTD·Filed 1993·Granted Feb 21, 1995·13 cites·7 claims
- 2564US8899665B2Strength member for an automobile body, front side member, and side structure for an automobile bodyYOSHIDA MICHITAKA·Filed 2013·Granted Dec 2, 2014·3 cites·8 claims
- 2657US5007152AVariable-crown rollSUMITOMO METAL IND·Filed 1989·Granted Apr 16, 1991·8 cites·32 claims
- 2757US2015132600A1Method for three-dimensionally bending workpiece and bent productNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Application pending·0 cites
- 2855US2013280548A1Bent metal member and a method for its manufactureNAKAMURA TOYOMITSU·Filed 2013·Application pending·0 cites
- 2953US8459077B2Manufacturing method for metal member with through holeABE SHOICHI·Filed 2006·Granted Jun 11, 2013·2 cites·9 claims
- 3053US2022395881A1Cooling device and cooling methodNIPPON STEEL CORP·Filed 2021·Application pending·0 cites
- 3152US9457390B2Method and apparatus for manufacturing a bent memberTOMIZAWA ATSUSHI·Filed 2011·Granted Oct 4, 2016·0 cites·18 claims
- 3251US9604272B2Induction heating coil, and an apparatus and method for manufacturing a worked memberOKADA NOBUHIRO·Filed 2012·Granted Mar 28, 2017·0 cites·2 claims
- 3351US2015004430A1Three-dimensionally bending machine, bending equipment line, and bent productNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Application pending·0 cites
- 3450US10166597B2Camshaft-manufacturing method and gear shaft-manufacturing methodNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted Jan 1, 2019·0 cites·13 claims
- 3550US2007234771A1Method of Hydraulic bulging and shaft pressing profile element pipe to make hydraulically bulged productTOMIZAWA ATSUSHI·Filed 2007·Application pending·0 cites
- 3649US10005116B2High frequency induction heating apparatus and processing apparatusNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Jun 26, 2018·0 cites·4 claims
- 3749US8776568B2Bent member and an apparatus and method for its manufactureTOMIZAWA ATSUSHI·Filed 2012·Granted Jul 15, 2014·0 cites·35 claims
- 3847US4860416AVariable-crown rollSUMITOMO METAL IND·Filed 1988·Granted Aug 29, 1989·6 cites·42 claims
- 3946US2005257587A1Profile element pipe for hydraulic bulging, hydraulic bulging device using the element pipe, hydraulic bulging method using the element pipe, and hydraulically bulged productTOMIZAWA ATSUSHI·Filed 2005·Application pending·0 cites
- 4044US8635835B2Hollow memberTOMIZAWA ATSUSHI·Filed 2011·Granted Jan 28, 2014·0 cites·4 claims
- 4140US2008066517A1Method for bending metal material, bending machine, bending-equipment line, and bent productTOMIZAWA ATSUSHI·Filed 2007·Application pending·0 cites
- 4233US2017137062A1Structural member for automobile bodyNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Atsushi Tomizawa 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 →