Average Co-Inventor Count = 4.10
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. Yamaha Hatsudoki Kabushiki Kaisha (7 from 4,232 patents)
2. Fujifilm Corporation (1 from 16,042 patents)
8 patents:
1. 9558953 - Etching method, and method of producing semiconductor substrate product and semiconductor device using the same
2. 9475535 - Vehicle
3. 9458807 - Four-stroke engine
4. 9452806 - Vehicle
5. 9238494 - Vehicle
6. 9216790 - Vehicle
7. 8820274 - Four-stroke engine and outboard motor
8. 8690623 - Outboard motor and watercraft including the same