Average Co-Inventor Count = 3.36
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. Ube Industries, Inc. (2 from 1,432 patents)
2. Hokko Chemical Industry Co., Ltd. (2 from 58 patents)
3. Mitutoyo Corporation (1 from 1,622 patents)
3 patents:
1. 6308108 - System for calculating an operating time of a measuring machine
2. 4454131 - Thiophene derivatives
3. 4421761 - Thiophene derivatives