BRIDGESTONE TIRE COMPANY LIMITED
505Patents
0Active
505Granted
45Portfolio score
Filing activity: Aug 28, 1972 → Sep 10, 1987
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4180795A | Alarm device for informing reduction of pneumatic pressure of tire | Performing Operations; Transporting | 163 | Expired |
| US4337946A | Golf ball | Human Necessities | 78 | Expired |
| US4259452A | Method of producing flexible reticulated polyether polyurethane foams | Emerging Cross-Sectional Technologies | 70 | Expired |
| US4401325A | Flexible pipe coupling | Emerging Cross-Sectional Technologies | 70 | Expired |
| US4546580A | Heat insulation structure for rooftops of buildings | Fixed Constructions | 59 | Expired |
| US4383085A | Rubber composition for tire | Emerging Cross-Sectional Technologies | 55 | Expired |
| US3954131A | Pneumatic safety tire | Emerging Cross-Sectional Technologies | 54 | Expired |
| US4062825A | Polyurethane composition having improved tear strength and process for preparation thereof | Electricity | 53 | Expired |
| US4258099A | Cordierite, alumina, silica porous ceramic bodies coated with an activated alumina layer | Emerging Cross-Sectional Technologies | 51 | Expired |
| US4337947A | Golf ball | Chemistry; Metallurgy | 50 | Expired |
| US4527365A | Earthquake insulating bearing assembly | Mechanical Engineering; Lighting; Heating | 47 | Expired |
| US4515922A | Rubber compositions | Chemistry; Metallurgy | 46 | Expired |
| US3970608A | Epoxidized acetylene-conjugated diene random copolymer and the curable composition comprising the same | Chemistry; Metallurgy | 44 | Expired |
| US4360627A | Rubber composition comprising furnace carbon black | Chemistry; Metallurgy | 44 | Expired |
| US3939890A | Wide base type pneumatic tire for construction vehicle | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4258516A | Apparatus for supporting floor plates above substrate | Fixed Constructions | 42 | Expired |
| US4117036A | Functional high polymeric substances having .alpha.,.beta.-unsaturated carboxylate group and the composition therefrom | Chemistry; Metallurgy | 42 | Expired |
| USD284178S | Automobile tire | General | 40 | Expired |
| US4590123A | Low-resilience rubber compositions and foams | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4244323A | Apparatus for floating and sinking fish breeding netted tanks | Emerging Cross-Sectional Technologies | 37 | Expired |
| US3963681A | Urethane elastomers prepared from polyethers having a certain molecular weight distribution | Chemistry; Metallurgy | 36 | Expired |
| US4345632A | Tread with spaced projections in stone ejecting groove | Performing Operations; Transporting | 36 | Expired |
| US4256846A | Method of producing flameproof polyisocyanurate foams | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4255296A | Polybutadiene rubber composition | Chemistry; Metallurgy | 36 | Expired |
| US4308233A | Device for purification of exhaust gas | Performing Operations; Transporting | 36 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.