NTN Technical Center (USA)
4Patents
0Active
4Granted
27Portfolio score
Filing activity: May 24, 1991 → Dec 22, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5099884A | Electrorheological fluid plate valve | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5184069A | Rotational speed sensor utilizing magnetic ink tone ring | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US5496646A | Increased retention forces in steel interference FIT assemblies and methods to increase the retention forces | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5602946A | Fiber optic sensor system for detecting movement or position of a rotating wheel bearing | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.