Average Co-Inventor Count = 4.00
ph-index = 1
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. Fuji Robin Kabushiki Kaisha (1 from 18 patents)
2. Kobashi Kogyo Co., Ltd. (1 from 7 patents)
1 patent:
1. 4768449 - Cultivator with supporting apparatus movable to stored position