Ryo Nishimaki
9Patents
2h-index
5Co-inventors
40Inventor score
Filing activity: Apr 23, 2010 → Nov 11, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8549290B2 | Secret sharing system, sharing apparatus, share management apparatus, acquisition apparatus, processing methods thereof, secret sharing method, program, and recording medium | Electricity | 6 | Active |
| US8964988B2 | Secret sharing system, sharing apparatus, share management apparatus, acquisition apparatus, secret sharing method, program and recording medium | Electricity | 5 | Active |
| US8619980B2 | Information generation apparatus, method, program, and recording medium for deriving a decryption key from another decryption key | Electricity | 1 | Active |
| US11450238B2 | Conversion key generation apparatus, encrypted text conversion apparatus, decryption apparatus, encrypted text conversion system, conversion key generation method, encrypted text conversion method, decryption method, and program | Electricity | 0 | Active |
| US12120231B2 | Digital watermark system, digital watermark method and program | Electricity | 0 | Active |
| US11190499B2 | Communication terminals, server devices, and programs | Electricity | 0 | Active |
| US11336441B2 | Communication terminal, server apparatus, and program | Electricity | 0 | Active |
| US11223472B2 | Encrypted message search method, message transmission/reception system, server, terminal and program | Electricity | 0 | Active |
| US11658806B2 | Identity-based hash proof system configuration apparatus, identity-based encryption apparatus, identity-based hash proof system configuration method and program | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.