Average Co-Inventor Count = 3.00
ph-index = 3
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. (4 from 55 patents)
2. Komatsu Zenoah Co. (2 from 75 patents)
6 patents:
1. D647773 - Main body of a portable chain saw
2. D644496 - Portable chain saw guard
3. D642885 - Side cover for a portable chain saw
4. D642884 - Top cover for a portable chain saw
5. D541813 - Engine
6. D532792 - Engine