Takeshi Matsuki
12Patents
7h-index
32Co-inventors
66Inventor score
Filing activity: Dec 5, 1974 → Aug 8, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5315634A | Automatic trading method and apparatus | Electricity | 188 | Expired |
| US7224820B2 | Electronic document, genuineness management method for print medium thereof, genuineness management system, program, and program recording medium | Electricity | 65 | Expired |
| US6816969B2 | Digital signature generating method and digital signature verifying method | Electricity | 34 | Expired |
| US7526645B2 | Electronic document authenticity assurance method and electronic document disclosure system | Physics | 24 | Active |
| US7200682B2 | Time stamp generating system | Electricity | 17 | Expired |
| US4229675A | Color picture tube with internal funnel shaped magnetic shield | Electricity | 14 | Expired |
| US7210043B2 | Trusted computer system | Physics | 10 | Expired |
| US7134021B2 | Method and system for recovering the validity of cryptographically signed digital data | Electricity | 6 | Expired |
| US7694126B2 | Method and system for recovering the validity of cryptographically signed digital data | Electricity | 5 | Active |
| US3975730A | Radar data selection equipment | Physics | 3 | Expired |
| US7131776B2 | Printed matter reliability decision method | Performing Operations; Transporting | 3 | Expired |
| US7270261B2 | Print management system | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.