Sojiro Tanaka
14Patents
8h-index
14Co-inventors
69Inventor score
Filing activity: Jul 12, 1989 → Dec 16, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD662154S1 | Toy robot | General | 25 | Active |
| USD679345S1 | Toy doll | General | 24 | Active |
| USD679344S1 | Toy doll | General | 21 | Active |
| USD710463S1 | Toy doll | General | 9 | Active |
| USD746385S1 | Toy doll | General | 8 | Active |
| USD710464S1 | Toy doll | General | 8 | Active |
| USD704280S1 | Monster-shaped toy | General | 8 | Active |
| US4938176A | Mounting structure of EGR valve for internal combustion engine | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| USD721405S1 | Toy belt | General | 7 | Active |
| USD721770S1 | Toy weapon | General | 1 | Active |
| USD722655S1 | Lock-shaped toy | General | 1 | Active |
| USD722656S1 | Lock-shaped toy | General | 0 | Active |
| USD752155S1 | Toy belt | General | 0 | Active |
| USD723107S1 | Lock-shaped toy | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.