Average Co-Inventor Count = 1.43
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. Sanyo Electric Co., Ltd. (5 from 8,780 patents)
2. Tottori Sanyo Electric Co., Ltd. (3 from 143 patents)
5 patents:
1. D564375 - Monitor for displaying present position
2. D551195 - In-vehicle TV receiver and audio disc player
3. D541681 - Navigation system monitor
4. D541682 - Navigation system monitor
5. D449851 - Printer with copy function