Average Co-Inventor Count = 5.54
ph-index = 2
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. Kyushu Hitachi Maxell, Ltd. (1 from 37 patents)
2. Kyusyu Hitachi Maxell, Ltd. (1 from 6 patents)
2 patents:
1. D317367 - Electric nail polisher
2. D294743 - Hair curling iron