Average Co-Inventor Count = 2.93
ph-index = 4
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. Honda Giken Kogyo Kabushiki Kaisha (4 from 10,092 patents)
2. Tokyo Seat Corp., Ltd. (1 from 3 patents)
4 patents:
1. D353381 - Internal combustion engine
2. D353146 - Riding mower
3. 5048894 - Seat for special vehicle
4. D298433 - Agricultural tractor