HAYASHI ENGINEERING
9Patents
8Active
9Granted
45Portfolio score
Filing activity: Jul 2, 2004 → Aug 24, 2012 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8740440B2 | Planar lighting device | Physics | 25 | Active |
| US8167335B2 | Fender liner and process for producing the same | Performing Operations; Transporting | 7 | Active |
| US7380858B2 | Sun visor for automobile and sound absorbing structure for an automobile | Performing Operations; Transporting | 6 | Active |
| US7661703B2 | Automobile interior structure and headliner interior material | Performing Operations; Transporting | 3 | Active |
| US8727417B2 | Molded laying interior material for vehicle | Emerging Cross-Sectional Technologies | 3 | Active |
| US7566088B2 | Sun visor for automobiles | Performing Operations; Transporting | 2 | Expired |
| US8902398B2 | Optical film laminate, method for producing the same, and liquid crystal display panel using the same | Physics | 1 | Active |
| US9248786B2 | Board structure for vehicle and manufacturing method of the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US8758875B2 | Formable laid interior decoration material for automobile | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.