OS MFG Co., Ltd
15Patents
0Active
15Granted
28Portfolio score
Filing activity: Nov 17, 1980 → Aug 10, 2005
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4447094A | Prelubricated sealed bearings | Performing Operations; Transporting | 22 | Expired |
| USD548765S1 | Screen for projection | General | 21 | Expired |
| US4576499A | Ball and socket joints with wear indicator | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5059053A | Tube clamp with locator tab | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4718780A | Sealed compound bearing and method for making the same | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4761083A | Compound bearing | Performing Operations; Transporting | 11 | Expired |
| US4527803A | Bellows seal with groove edge folded over bead, for ball and socket joints | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4718779A | Sealed compound bearing | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4575162A | Sealed ball and socket joints capable of disassembly | Performing Operations; Transporting | 7 | Expired |
| US4431328A | Hemispherical ball and socket joint | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4616387A | Method of manufacturing spherical and cylindrical bearings | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4448562A | Bellows seal for ball and socket joints | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4466755A | Hemispherical ball and socket joint | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4493512A | Spherical and cylindrical bearings and method of manufacturing | Performing Operations; Transporting | 4 | Expired |
| US4888236A | Torque rod of composite material | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.