Ken Nagasaka
17Patents
9h-index
15Co-inventors
69Inventor score
Filing activity: Jul 15, 1981 → Jun 10, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD640614S1 | Bumper with grille for an automobile | General | 39 | Expired |
| USD918800S1 | Front bumper for an automobile | General | 35 | Active |
| USD585796S1 | Grille for an automobile | General | 34 | Expired |
| USD711793S1 | Bumper for an automobile | General | 29 | Active |
| USD924451S1 | Rear combination lamp for an automobile | General | 24 | Active |
| US4737017A | Optical element holding mechanism and method of manufacturing the same | Emerging Cross-Sectional Technologies | 18 | Expired |
| USD640612S1 | Motor vehicle and/or toy replica thereof | General | 11 | Expired |
| USD715471S1 | Combination lamp for an automobile | General | 11 | Active |
| US4950060A | Lens driving cam mechanism | Physics | 10 | Expired |
| USD654410S1 | Motor vehicle and/or toy replica thereof | General | 7 | Expired |
| USD927370S1 | Rear bumper for an automobile | General | 3 | Active |
| USD714479S1 | Combination lamp for an automobile | General | 3 | Active |
| USD1036309S1 | Motor vehicle and/or toy replica thereof | General | 3 | Active |
| USD273871S | Locking device for a photographic interchangeable lens | General | 3 | Expired |
| USD715194S1 | Motor vehicle and/or toy replica thereof | General | 2 | Active |
| USD715200S1 | Automobile | General | 1 | Active |
| USD641898S1 | Combination lamp for an automobile | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.