Average Co-Inventor Count = 1.00
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. Hung Mei Brush Co., Ltd. (2 from 3 patents)
3 patents:
1. D302848 - Water injecting gun or similar article
2. D302459 - Water ejecting gun or similar article
3. 4807586 - Jet water gun