Inventor
TAMURA MITSUHIRO
JP41 patents
⚠️ This page may combine multiple inventors who share the name “TAMURA MITSUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO HEAVY INDUSTRIES
28 patentsUSD956839SJul 5, 2022
Speed reducer
SUMITOMO HEAVY INDUSTRIES10 citations84
US7370549B2May 13, 2008
Reduction gear for geared motor, geared motor, and product group thereof
SUMITOMO HEAVY INDUSTRIES10 citations84
US7901317B2Mar 8, 2011
Reduction gear
SUMITOMO HEAVY INDUSTRIES11 citations83
US11274736B2Mar 15, 2022
Bending meshing type gear device
SUMITOMO HEAVY INDUSTRIES2 citations73
US10895306B2Jan 19, 2021
Eccentrically oscillating type reduction gear
SUMITOMO HEAVY INDUSTRIES6 citations73
US10622867B2Apr 14, 2020
Drive device
SUMITOMO HEAVY INDUSTRIES2 citations72
US10989276B2Apr 27, 2021
Gear motor and assembling method thereof
SUMITOMO HEAVY INDUSTRIES2 citations71
US8371186B2Feb 12, 2013
Supporting structure of shaft, and reduction gear
SUMITOMO HEAVY INDUSTRIES4 citations63
US7506558B2Mar 24, 2009
Reduction gear and reduction gear frictional load application member
SUMITOMO HEAVY INDUSTRIES3 citations63
US12480575B2Nov 25, 2025
Gear device
SUMITOMO HEAVY INDUSTRIES0 citations62
US12345316B2Jul 1, 2025
Speed reducer
SUMITOMO HEAVY INDUSTRIES0 citations62
US12196302B2Jan 14, 2025
Gear device
SUMITOMO HEAVY INDUSTRIES0 citations62
US11845205B2Dec 19, 2023
Method for producing gear, gear, and bending meshing type gear device
SUMITOMO HEAVY INDUSTRIES1 citations62
US11746881B2Sep 5, 2023
Reduction gear
SUMITOMO HEAVY INDUSTRIES0 citations62
US11732779B2Aug 22, 2023
Power transmission device and method for manufacturing power transmission device
SUMITOMO HEAVY INDUSTRIES0 citations62
US11365784B2Jun 21, 2022
Eccentric oscillation type speed reducer
SUMITOMO HEAVY INDUSTRIES0 citations62
US11268604B2Mar 8, 2022
Gear device and manufacturing method for gear device
SUMITOMO HEAVY INDUSTRIES1 citations62
US11156266B2Oct 26, 2021
Gear device
SUMITOMO HEAVY INDUSTRIES0 citations62
US10830312B2Nov 10, 2020
Eccentric oscillation type speed reducer
SUMITOMO HEAVY INDUSTRIES1 citations62
US10693349B2Jun 23, 2020
Life estimation system
SUMITOMO HEAVY INDUSTRIES1 citations62
US11088589B2Aug 10, 2021
Power transmission device
SUMITOMO HEAVY INDUSTRIES1 citations61
US11649887B2May 16, 2023
Gear device
SUMITOMO HEAVY INDUSTRIES0 citations59
US11566696B2Jan 31, 2023
Gear device
SUMITOMO HEAVY INDUSTRIES1 citations58
US11878412B2Jan 23, 2024
Robot joint structure
SUMITOMO HEAVY INDUSTRIES0 citations52
US11548143B2Jan 10, 2023
Robot
SUMITOMO HEAVY INDUSTRIES0 citations52
US11174918B2Nov 16, 2021
Reduction gear
SUMITOMO HEAVY INDUSTRIES0 citations52
US9897191B2Feb 20, 2018
Torque arm structure
SUMITOMO HEAVY INDUSTRIES0 citations49
US9260250B2Feb 16, 2016
Gear motor having an antirotation member
SUMITOMO HEAVY INDUSTRIES1 citations48
NIPPON ZEON CO
4 patentsUS5281510AJan 25, 1994
Photosensitive elastomeric composition
NIPPON ZEON CO10 citations72
US4980269ADec 25, 1990
Photosensitive elastomeric composition
NIPPON ZEON CO9 citations72
US4298522ANov 3, 1981
Diphenylamine derivatives and degradation inhibitors for rubber polymers
NIPPON ZEON CO8 citations72
US5089576AFeb 18, 1992
Process for producing conjugated diene copolymer
NIPPON ZEON CO11 citations68
KANEKA CORP
4 patentsUS11993669B2May 28, 2024
Foamable resin particles and method of producing same, and foamed molded body
KANEKA CORP0 citations60
US11312835B2Apr 26, 2022
Expandable polystyrene resin particles, polystyrene pre-expanded particles, and foam molded body
KANEKA CORP0 citations60
US11801799B2Oct 31, 2023
Bumper absorber
KANEKA CORP0 citations58
US10786848B2Sep 29, 2020
Expandable methyl methacrylate resin particles, pre-expanded particles, expansion molded article, and lost foam
KANEKA CORP0 citations33