Average Co-Inventor Count = 5.33
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. Taiho Kogyo Co., Ltd. (2 from 288 patents)
2. Koyo Seiko Company, Ltd. (1 from 772 patents)
2 patents:
1. 6165246 - Copper-base sintered sliding material excellent in slipperiness and
2. 5570766 - End bearing for one-way clutch