Taihei Yugawa
14Patents
7h-index
18Co-inventors
59Inventor score
Filing activity: Mar 4, 1996 → Jan 19, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6606707B1 | Semiconductor memory card | Emerging Cross-Sectional Technologies | 132 | Expired |
| US7096504B1 | Distribution system, semiconductor memory card, receiving apparatus, computer-readable recording medium and receiving method | Electricity | 38 | Expired |
| US6789192B2 | Semiconductor memory card, data reading apparatus, and data reading/reproducing apparatus | Emerging Cross-Sectional Technologies | 30 | Expired |
| US7062652B2 | Semiconductor memory card, data reading apparatus and data reading/reproducing apparatus | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5875297A | Multimedia server | Electricity | 11 | Expired |
| US7996914B2 | Semiconductor memory card and data reading apparatus, and data reading/reproducing apparatus | Emerging Cross-Sectional Technologies | 9 | Active |
| USRE42019E1 | Distribution system, semiconductor memory card, receiving apparatus, computer-readable recording medium and receiving method | General | 8 | Active |
| US8127368B2 | Semiconductor memory card and data reading apparatus, and data reading/reproducing apparatus | Emerging Cross-Sectional Technologies | 6 | Active |
| US5978879A | Bus bridge apparatus | Physics | 5 | Expired |
| US7272856B2 | Decryption device | Electricity | 1 | Expired |
| US7640436B2 | Encryption device and method | Electricity | 1 | Active |
| US7529938B2 | Method, apparatus and system for performing authentication according to challenge-response protocol using scrambled access information | Physics | 1 | Expired |
| US8661553B2 | Semiconductor memory card and data reading apparatus, and data reading/reproducing apparatus | Emerging Cross-Sectional Technologies | 1 | Active |
| USRE41096E1 | Distribution system, semiconductor memory card, receiving apparatus, computer-readable recording medium and receiving method | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.