Average Co-Inventor Count = 2.00
ph-index = 4
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. (4 from 8,780 patents)
4 patents:
1. D294873 - Hair dryer
2. D291615 - Iron
3. D285738 - Steam iron
4. D276473 - Spray steam iron