Fumio Daio
31Patents
13h-index
42Co-inventors
81Inventor score
Filing activity: Sep 27, 1989 → Sep 28, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD334559S | Battery for an IC card | General | 48 | Expired |
| US5576117A | Flat-type cell | Emerging Cross-Sectional Technologies | 43 | Expired |
| US6042625A | Method of fabricating batteries having spirally wound electrodes | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5912091A | Battery having spirally wound electrodes | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6376109B1 | Method and device for mounting cell | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4965148A | Packed batteries and method of making the same | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5202199A | Battery marked with irradiated trace dots | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7806340B2 | Method of installing IC tag | Physics | 19 | Active |
| US5458993A | Non-aqueous electrolyte battery and method of manufacturing same | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5851693A | Organic electrolyte batteries | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5656392A | Organic electrolyte batteries | Emerging Cross-Sectional Technologies | 16 | Expired |
| USD335120S | Battery for an IC card | General | 15 | Expired |
| US6180285A | Exposed conductive core battery | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5156930A | Battery equipped with opening-sealing device | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5772930A | Method of producing cathode mixture for batteries | Electricity | 12 | Expired |
| US5965290A | Non-aqueous electrolyte cell | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5624771A | Non-aqueous electrolyte cell | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5582933A | Cell with terminals and circuit substrate | Emerging Cross-Sectional Technologies | 10 | Expired |
| USD357897S | Battery with terminal | General | 8 | Expired |
| USD359025S | Socket terminal | General | 7 | Expired |
| US7617394B2 | Authentication system | Physics | 6 | Active |
| US6749649B2 | Method and device for mounting cell | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7833656B2 | Electrochemical device and method for producing the same | Emerging Cross-Sectional Technologies | 4 | Active |
| US6090322A | Method for producing sealing member for battery | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7858231B2 | Current collector sheet and electrochemical device | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.