Takayoshi Doi
31Patents
9h-index
26Co-inventors
75Inventor score
Filing activity: Jan 30, 1985 → Mar 30, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD301355S | Reconfigurable toy vehicle | General | 17 | Expired |
| USD291973S | Toy robot-aircraft watch | General | 13 | Expired |
| USD305053S | Reconfigurable toy puma | General | 13 | Expired |
| USD306622S | Toy humanoid robot assembly | General | 11 | Expired |
| USD301352S | Reconfigurable toy vehicle | General | 11 | Expired |
| USD306621S | Reconfigurable toy cassette | General | 11 | Expired |
| USD306618S | Toy humanoid robot assembly | General | 10 | Expired |
| USD293803S | Reconfigurable toy jet-plane | General | 10 | Expired |
| USD301356S | Reconfigurable toy vehicle | General | 9 | Expired |
| USD293804S | Reconfigurable toy jet-plane | General | 9 | Expired |
| USD294046S | Reconfigurable toy jet-plane | General | 8 | Expired |
| USD306623S | Reconfigurable toy cassette | General | 8 | Expired |
| USD301901S | Reconfigurable toy vehicle | General | 6 | Expired |
| US6858144B2 | Method and apparatus for treatment of wastewater | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8945766B2 | All-solid secondary battery with graded electrodes | Emerging Cross-Sectional Technologies | 5 | Active |
| USD301351S | Reconfigurable toy vehicle | General | 4 | Expired |
| USD306620S | Reconfigurable toy cassette | General | 3 | Expired |
| US9444121B2 | Manufacturing method for sulfide-based solid electrolyte material | Emerging Cross-Sectional Technologies | 3 | Active |
| USD301350S | Reconfigurable toy jet plane | General | 3 | Expired |
| USD305052S | Reconfigurable toy hawk | General | 3 | Expired |
| US8338036B2 | All-solid-state battery and manufacturing method thereof | Emerging Cross-Sectional Technologies | 3 | Active |
| USD306619S | Reconfigurable toy cassette | General | 2 | Expired |
| US8986619B2 | Exhaust air purification device | Emerging Cross-Sectional Technologies | 1 | Active |
| US9640837B2 | Method for producing sulfide solid electrolyte | Emerging Cross-Sectional Technologies | 1 | Active |
| US10020535B2 | Method for producing sulfide solid electrolyte | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.