Taku Katoh
5Patents
4h-index
10Co-inventors
43Inventor score
Filing activity: Nov 19, 1998 → Oct 19, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6888943B1 | Multimedia adaptive scrambling system (MASS) | Electricity | 88 | Expired |
| US6757405B1 | Digital watermark embedding device, digital watermark detection device and recording medium recording computer readable program for realizing functions of two devices | Electricity | 42 | Expired |
| US6556679B1 | Copy-guard system and information recording medium used in the same system | Electricity | 34 | Expired |
| US6779044B1 | Access control for an information processing device | Electricity | 7 | Expired |
| US7233667B1 | Record medium, record medium manufacturing device, computer readable record medium on which program is recorded, and data presentation device | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.