Inventor · disambiguated record
Yujiro Umezawa
Also filed as: UMEZAWA YUJIRO
11 granted patents·4 pending applications·150 citations·filing 1983–2025
91Inventor score
Top patents by PatentIndex Score
15 records- 0182US4966216AHeavy duty radial tires with metallic carcass plyBRIDGESTONE CORP·Filed 1988·Granted Oct 30, 1990·37 cites·4 claims
- 0282US4488587APneumatic radial tiresBRIDGESTONE TIRE CO LTD·Filed 1983·Granted Dec 18, 1984·30 cites·7 claims
- 0381US4707975ASteel cords for the reinforcement of rubber articlesBRIDGESTONE CORP·Filed 1985·Granted Nov 24, 1987·19 cites·11 claims
- 0477US4572264APneumatic radial tiresBRIDGESTONE TIRE CO LTD·Filed 1983·Granted Feb 25, 1986·20 cites·3 claims
- 0573US2025010430A1Workpiece grinding methodDISCO CORP·Filed 2024·Application pending·0 cites
- 0672US2025091174A1Method of manufacturing waferDISCO CORP·Filed 2024·Application pending·0 cites
- 0770US4788815ASteel cords for the reinforcement of rubber articlesBRIDGESTONE CORP·Filed 1987·Granted Dec 6, 1988·11 cites·7 claims
- 0868US2024198489A1Grinding wheel and grinding methodDISCO CORP·Filed 2023·Application pending·0 cites
- 0966US5050657APneumatic tire with steel cords having a closed twisted structure or a compact structureBRIDGESTONE CORP·Filed 1990·Granted Sep 24, 1991·11 cites·6 claims
- 1060US2025235983A1Grinding apparatus, method of grinding workpiece, and method of manufacturing substrateDISCO CORP·Filed 2025·Application pending·0 cites
- 1150US5400580ASteel cords for rubber reinforcement and pneumatic radial tires using the sameBRIDGESTONE CORP·Filed 1991·Granted Mar 28, 1995·7 cites·5 claims
- 1247US5526864ASteel cords for rubber reinforcement and pneumatic radial tires using the cords in the carcassBRIDGESTONE CORP·Filed 1994·Granted Jun 18, 1996·6 cites·5 claims
- 1338US4917165ASteel cords for the reinforcement of rubber articlesBRIDGESTONE CORP·Filed 1988·Granted Apr 17, 1990·2 cites·29 claims
- 1435US5647928AHeavy duty pneumatic tires with reduced belt weightBRIDGESTONE CORP·Filed 1995·Granted Jul 15, 1997·4 cites·5 claims
- 1533US5520233AHeavy duty pneumatic tires with reduced belt weightBRIDGESTONE CORP·Filed 1994·Granted May 28, 1996·3 cites·7 claims
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