O-M LTD.
32Patents
8Active
32Granted
41Portfolio score
Filing activity: Jul 30, 1982 → Jul 31, 2017 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6217089A | Bumper reinforcing member | Fixed Constructions | 42 | Expired |
| US6554333B2 | Vehicle bumper assembly | Performing Operations; Transporting | 42 | Expired |
| US6702345B1 | Vehicular shock absorber | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US6726261B2 | Bumper reinforcement | Performing Operations; Transporting | 27 | Expired |
| US5437317A | Ventilation line opening/closing means of fuel tank | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5613303A | Oil level gauge | Physics | 19 | Expired |
| US4564995A | Composite machine tool | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6591577B2 | Automobile door reinforcing member | Fixed Constructions | 16 | Expired |
| US5509569A | Airtight filler neck cap | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7367097B2 | Tool mounting device for turning center | Emerging Cross-Sectional Technologies | 12 | Active |
| US5832950A | Fuel interruption means of fuel tank | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5771637A | Plastic lower sash for vehicle window glass | Fixed Constructions | 11 | Expired |
| US5943823A | Lower sash made of synthetic resin for automotive vehicle door | Performing Operations; Transporting | 10 | Expired |
| US4521950A | Automatic tool change machine tool | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5894857A | Fuel delivery device of fuel tank | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5724947A | Fuel pump unit | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5887615A | Check valve of fuel tank | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5447175A | Fuel delivery device of fuel tank | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7220089B2 | Tool mounting device for turning center | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4559030A | Apparatus for folding jacket material | Performing Operations; Transporting | 3 | Expired |
| US6790338B2 | Electrolytic process for preparing metal sulfonates | Chemistry; Metallurgy | 3 | Expired |
| US4623325A | Folding insert for forming a jacket | Performing Operations; Transporting | 2 | Expired |
| US7761965B2 | Automatic swiveling turret apparatus for machine tool | Emerging Cross-Sectional Technologies | 2 | Active |
| US6468494B2 | Process for preparing metal nitrates from the corresponding metals | Chemistry; Metallurgy | 2 | Expired |
| US4599080A | Method for folding jacket material for disk or the like | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.