Koichi Azuma
45Patents
11h-index
41Co-inventors
75Inventor score
Filing activity: May 29, 1975 → Apr 10, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD764403S1 | Portable battery | General | 56 | Active |
| USD463448S1 | Outboard motor | General | 48 | Expired |
| USD530650S1 | Electric wheelchair | General | 36 | Expired |
| USD463447S1 | Outboard motor cowl | General | 29 | Expired |
| USD884747S1 | Autonomous lawn mower | General | 28 | Active |
| USD489380S1 | Outboard motor cowl | General | 27 | Expired |
| USD929316S1 | Battery for electric power unit | General | 13 | Active |
| USD675121S1 | Water meter | General | 13 | Active |
| USD471593S1 | Label for use on an outboard motor | General | 11 | Expired |
| USD628596S1 | Internal combustion engine | General | 11 | Expired |
| USD525569S1 | Handle for an electric wheelchairs | General | 11 | Expired |
| USD613772S1 | Tiller | General | 8 | Expired |
| USD1032539S1 | Electrical connector | General | 7 | Active |
| USD696185S1 | Cogeneration unit | General | 7 | Active |
| USD671145S1 | Outboard motor machine | General | 6 | Active |
| USD858580S1 | Internal-combustion engine | General | 4 | Active |
| USD1038031S1 | Electrical connector | General | 4 | Active |
| US8201652B2 | Work vehicle | Emerging Cross-Sectional Technologies | 4 | Active |
| USD906968S1 | Motor for electric power unit | General | 3 | Active |
| USD859472S1 | Internal-combustion engine | General | 3 | Active |
| USD900026S1 | Battery charger for electric power unit | General | 2 | Active |
| US8066081B2 | Small-sized tiller | Human Necessities | 2 | Active |
| USD942375S1 | Battery tray for electric power unit | General | 2 | Active |
| USD917395S1 | Electric power unit | General | 2 | Active |
| USD973579S1 | Battery module for electric power unit | General | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.