Yahiko Kumai
37Patents
13h-index
19Co-inventors
74Inventor score
Filing activity: Oct 3, 2005 → Jun 21, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD531547S1 | Automobile and toy replica thereof | General | 54 | Expired |
| USD640614S1 | Bumper with grille for an automobile | General | 39 | Expired |
| USD645388S1 | Door for an automobile | General | 38 | Expired |
| USD586270S1 | Front bumper for an automobile | General | 34 | Expired |
| USD644975S1 | Door for an automobile | General | 31 | Expired |
| USD586268S1 | Front portion of an automobile and/or toy replica thereof | General | 29 | Expired |
| USD856553S1 | Rear combination lamp for an automobile | General | 21 | Active |
| USD589854S1 | Rear portion of an automobile and/or toy replica thereof | General | 17 | Expired |
| USD855845S1 | Front combination lamp for an automobile | General | 17 | Active |
| USD645800S1 | Hood for an automobile | General | 17 | Expired |
| USD654399S1 | Motor vehicle and/or toy replica thereof | General | 16 | Expired |
| USD534462S1 | Rear bumper for an automobile | General | 15 | Expired |
| USD640611S1 | Motor vehicle and/or toy replica thereof | General | 14 | Expired |
| USD589402S1 | Motor vehicle and/or toy replica thereof | General | 13 | Expired |
| USD640615S1 | Bumper for an automobile | General | 11 | Expired |
| USD640612S1 | Motor vehicle and/or toy replica thereof | General | 11 | Expired |
| USD870595S1 | Motor vehicle and/or toy replica thereof | General | 11 | Active |
| USD644974S1 | Door for an automobile | General | 10 | Expired |
| USD601923S1 | Automobile and/or toy replica thereof | General | 10 | Expired |
| USD645803S1 | Fender for an automobile | General | 9 | Expired |
| USD640601S1 | Motor vehicle and/or toy replica thereof | General | 8 | Expired |
| USD586269S1 | Rear bumper for an automobile | General | 7 | Expired |
| USD531098S1 | Front bumper for an automobile | General | 7 | Expired |
| USD645387S1 | Side panel for an automobile | General | 7 | Expired |
| USD654410S1 | Motor vehicle and/or toy replica thereof | General | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.