Average Co-Inventor Count = 8.00
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. Toyota Jidosha Kabushiki Kaisha (2 from 36,653 patents)
2. Toyoda Gosei Co., Ltd. (2 from 3,081 patents)
2 patents:
1. 4491621 - Diaphragm
2. 4486480 - Rubber hose comprising a liquid nitrile-butadiene copolymer incorporated