Yosuke Yukawa
22Patents
9h-index
23Co-inventors
75Inventor score
Filing activity: Dec 17, 1987 → Jul 14, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6669487B1 | IC card | Electricity | 148 | Expired |
| US6573567B1 | IC card | Emerging Cross-Sectional Technologies | 73 | Expired |
| US6431456B1 | IC card | Emerging Cross-Sectional Technologies | 59 | Expired |
| US6725322B1 | Memory card, method for allotting logical address, and method for writing data | Physics | 44 | Expired |
| US4947373A | Dynamic ram | Physics | 38 | Expired |
| US7224052B2 | IC card with controller and memory chips | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6896523B2 | IC card | Electricity | 23 | Expired |
| US6643725B1 | Memory card having a buffer memory for storing testing instruction | Physics | 16 | Expired |
| US7547961B2 | IC card with bonding wire connections of different lengths | Emerging Cross-Sectional Technologies | 12 | Active |
| US7516903B2 | IC card | Electricity | 9 | Expired |
| US7044389B2 | IC card | Electricity | 8 | Expired |
| US7291019B2 | IC card | Electricity | 7 | Active |
| US7291018B2 | IC card | Electricity | 7 | Active |
| US7267287B2 | IC card | Emerging Cross-Sectional Technologies | 6 | Active |
| US7768110B2 | Nonvolatile memory apparatus | Emerging Cross-Sectional Technologies | 5 | Active |
| US7538418B2 | IC card | Emerging Cross-Sectional Technologies | 5 | Active |
| US7002853B2 | Memory card having a buffer memory for storing testing instruction | Physics | 4 | Expired |
| US8018038B2 | IC card with terminals for direct access to internal components | Emerging Cross-Sectional Technologies | 3 | Active |
| US7402047B2 | IC card | Electricity | 3 | Active |
| US7201581B2 | IC card | Electricity | 0 | Expired |
| US7440337B2 | Nonvolatile semiconductor memory apparatus having buffer memory for storing a program and buffering work data | Physics | 0 | Active |
| US7292480B2 | Memory card having buffer memory for storing testing instruction | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.