Average Co-Inventor Count = 4.00
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. Husqvarna Zenoah Co., Ltd. (3 from 55 patents)
3 patents:
1. D668609 - Spark plug cap for an internal combustion engine
2. D644664 - Internal combustion engine
3. D643854 - Cover for an internal combustion engine