NGK Industries, Ltd.
3Patents
0Active
3Granted
24Portfolio score
Filing activity: Feb 18, 1988 → Jun 4, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6541895B2 | Piezoelectric/electrostrictive film element | Performing Operations; Transporting | 6 | Expired |
| US6805540B2 | Flap ventlid installing assembly, flap ventlid installing structure and installing method, and mold for molding a tire | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4834640A | Extrusion-forming jig | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.