Average Co-Inventor Count = 4.30
ph-index = 6
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Hitachi, Ltd. (21 from 42,517 patents)
2. International Business Machines Corporation (4 from 164,244 patents)
3. Sony Computer Entertainment Inc. (2 from 1,799 patents)
4. Sony Corporation (1 from 58,132 patents)
5. Toshiba America Electronic Components, Inc. (1 from 63 patents)
27 patents:
1. 10877454 - Communication method, central control device and individual control device
2. 8489352 - Information recording medium, and process management apparatus and process management system using the information recording medium
3. 8339240 - Semiconductor element, biometric authentication method, biometric authentication system and mobile terminal
4. 8212652 - Biometric authentication method, biometric authentication system, IC card, and terminal
5. 8099604 - Communication system, method for transferring information, and information-communication device
6. 8094890 - Biometric authentication apparatus, biometric authentication system, IC card and biometric authentication method
7. 8069361 - Method and program for setting microprocessor power supply voltage
8. 8001326 - Portable terminal
9. 7917347 - Generating a worst case current waveform for testing of integrated circuit devices
10. 7737824 - Radio frequency identification (RFID) tag, portable terminal, and server for RFID tag
11. 7716516 - Method for controlling operation of microprocessor which performs duty cycle correction process
12. 7628323 - System of settlement transaction and method
13. 7611047 - System of settlement transaction and method
14. 7486096 - Method and apparatus for testing to determine minimum operating voltages in electronic devices
15. 7456446 - Semiconductor device