Kazuo Takada
89Patents
16h-index
78Co-inventors
87Inventor score
Filing activity: Dec 13, 1974 → Aug 22, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD433532S | Hand-held smoking unit | General | 142 | Expired |
| USD422113S | Hand-held smoking unit | General | 123 | Expired |
| USD400303S | Electric shaver | General | 43 | Expired |
| US4321302A | Process for producing magnetic powder having high coercive force | Emerging Cross-Sectional Technologies | 41 | Expired |
| USD319363S | Stand for an electric toothbrush | General | 38 | Expired |
| US7948925B2 | Communication device and communication method | Electricity | 36 | Active |
| US4758600A | Process for the manufacture of ethanol | Performing Operations; Transporting | 32 | Expired |
| US8380982B2 | Communication device and communication method | Electricity | 29 | Active |
| USD388060S | Battery | General | 24 | Expired |
| USD333120S | Battery charger | General | 24 | Expired |
| USD330187S | Battery charger | General | 24 | Expired |
| US8483744B2 | Communication apparatus, communication system, notification method, and program product | Electricity | 21 | Active |
| USD420248S | Coffee mill | General | 20 | Expired |
| US4913842A | Steam reforming of methanol | Emerging Cross-Sectional Technologies | 20 | Expired |
| USD392505S | Hand mixer | General | 19 | Expired |
| USD304147S | Electric oven toaster | General | 17 | Expired |
| USD404246S | Dry mill | General | 16 | Expired |
| USD324700S | Electric pencil sharpener | General | 15 | Expired |
| USD391441S | Dry mill | General | 15 | Expired |
| US8565131B2 | Communication device and communication method | Electricity | 14 | Active |
| US5023436A | Credit card handling apparatus and method | Physics | 13 | Expired |
| US8718700B2 | Communication apparatus, communication system, notification method, and program product | Electricity | 13 | Active |
| USD346462S | Combined electric shaver and trimmer | General | 13 | Expired |
| USD394183S | Food processor | General | 12 | Expired |
| USD392150S | Food processor | General | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.