Yasuyuki Murakami
93Patents
12h-index
45Co-inventors
84Inventor score
Filing activity: Apr 3, 1995 → Apr 4, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5623533A | Mobile communication end device with low power operation mode | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5613005A | Cipher communication method and device | Electricity | 25 | Expired |
| USPP9557P | Petunia plant `Suntory SP-R` | General | 25 | Expired |
| US6788788B1 | Cryptographic communication method, encryption method, and cryptographic communication system | Electricity | 24 | Expired |
| USPP9754P | Petunia plant named `Sunberubu` | General | 23 | Expired |
| USPP10355P | Petunia plant named `Sunbelochipi` | General | 22 | Expired |
| US6996724B2 | Secret key generating method, common key generating method, encryption method, cryptographic communication method and cryptographic communication system | Electricity | 19 | Expired |
| USPP10279P | Petunia plant named `Sunbelkubu` | General | 18 | Expired |
| USPP11558P | Petunia plant named `Sunbelki` | General | 18 | Expired |
| USPP10278P | Petunia plant named `Sunbelkuho` | General | 18 | Expired |
| USPP10287P | Petunia plant named `Sunbelkupi` | General | 14 | Expired |
| US6683953B1 | Encoding method, encoding-decoding apparatus, and code communications system | Electricity | 12 | Expired |
| US5807080A | Variable displacement type piston machine of which noise and vibration are reduced by reducing pulsation of discharge fluid | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5790711A | Image processing apparatus having a smoothing function which references a bi-level pixel pattern on a main scan line when a predetermined area has a specific bi-level pixel pattern | Electricity | 11 | Expired |
| US6990200B1 | Encryption method, cryptographic communication method, ciphertext generating device and cryptographic communication system of public-key cryptosystem | Electricity | 10 | Expired |
| USPP11352P | Petunia plant named `Sunbelkist` | General | 9 | Expired |
| US5761217A | Method for recovering errors with data communication | Electricity | 8 | Expired |
| US7080255B1 | Secret key generation method, encryption method, and cryptographic communications method and system | Electricity | 8 | Expired |
| USPP11037P | Verbena plant named `Sunmariripi` | General | 8 | Expired |
| USPP15539P2 | Mandevilla plant named ‘Sunmandecrim’ | General | 7 | Expired |
| US6542982B2 | Data processer and data processing system | Physics | 7 | Expired |
| US7043018B1 | Prime number generation method, prime number generation apparatus, and cryptographic system | Electricity | 6 | Expired |
| US6434691B1 | Cell phones with instruction pre-fetch buffers allocated to low bit address ranges and having validating flags | Physics | 5 | Expired |
| US5848156A | Communication method and apparatus for carrying out cipher communications telephonically | Electricity | 5 | Expired |
| USPP11130P | Verbena plant named `Sunmarisa` | General | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.