Average Co-Inventor Count = 3.18
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. Hitachi, Ltd. (12 from 42,485 patents)
2. Casio Hitachi Mobile Communications Co., Ltd. (1 from 97 patents)
13 patents:
1. 10241899 - Test input information search device and method
2. 9703692 - Development supporting system
3. 9255812 - Navigation system and navigation method
4. 8589303 - Asset management apparatus and asset management method
5. 8340494 - Image converter, image reproducer, image conversion/reproduction system, and recording medium
6. 8099136 - Portable terminal
7. 8001415 - Program control method for network devices and network system
8. 7792932 - System and method for providing configuration information of network-based apparatus
9. 7734919 - Telephone having authentication function and telephone system
10. 7461121 - Controlling the display of contents designated by multiple portable terminals on a common display device in a segmented area having a terminal-specific cursor
11. 7116438 - Terminal for information processing
12. 7024176 - Cellular telephone device and transmitter to cellular telephone
13. 6788928 - Cellular phone