Average Co-Inventor Count = 3.90
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. Yanmar Power Technology Co., Inc. (5 from 211 patents)
2. Yanmar Holdings Co., Ltd. (87 patents)
5 patents:
1. D1004621 - Engine cover for boat
2. D932448 - Switch panel for ships
3. D922449 - Machinery panels
4. D905613 - Remote controller for ships
5. D901367 - Remote controller for ships