Average Co-Inventor Count = 1.19
ph-index = 5
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. Nec Corporation (12 from 35,658 patents)
2. Komatsu Corporation (2 from 2,730 patents)
3. Power Systems Co., Ltd. (1 from 5 patents)
15 patents:
1. 12024856 - Work machine
2. 11492781 - Work vehicle
3. 7783324 - Mobile communication system and devices used therefor
4. 7228126 - Portable communication terminal and method of transmission of electronic mail
5. 7214249 - Method for conducting electric activation of electric double layer capacitors
6. 7151924 - Communication system, hold control method therefor, telephone set, control method therefor and recording medium
7. 7017115 - Portable information terminal equipment and display method therefor
8. 6963761 - System and method for sounding a music accompanied by light or vibration
9. 6792453 - Information terminal unit, character input control method to be used in the same, and storage medium recording control program therefor
10. 6717531 - Keyboard device and a method of controlling a power supply incorporated in the keyboard device
11. 6650913 - Mobile telephone unit and method used in this unit for accessing internet site
12. 6321094 - Access method through radio mobile communication system
13. 6282612 - Removable memory device for portable terminal device
14. 6192259 - Portable radio apparatus having function for compressing and transmitting data
15. 5889604 - Method of and apparatus for data communications between portable