Average Co-Inventor Count = 1.68
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 (13 from 4,244 patents)
2. Yamaha Hatsudoki Kaisha (1 from 3 patents)
3. Xacti Corporation (1 from 2 patents)
14 patents:
1. 11919613 - Rescue network system for watercraft
2. 11691697 - Marine vessel and marine vessel imaging device
3. 11572147 - System for operating watercraft, method thereof and watercraft
4. 11383800 - Marine vessel display device, marine vessel, and image display method for marine vessel
5. 11323635 - Imaging device including distance calculator for ship and ship including the imaging device
6. 11243539 - Imaging system for ship, ship including the system, and calibrating method for imaging system for ship
7. 11072399 - Hydrofoil craft
8. 11059549 - Marine vessel and marine vessel operation support device
9. 10363998 - Aquatic vessel and paddle
10. 10300998 - Aquatic jet propulsion device
11. 10167057 - Jet boat
12. 10000266 - Aquatic jet propulsion device
13. 9545983 - Jet propelled watercraft
14. 8162705 - Water jet propulsion watercraft