Average Co-Inventor Count = 5.00
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. Toshiba Tungaloy Co., Ltd. (1 from 37 patents)
2. Science and Creative Co., Ltd. (1 from 2 patents)
3. Koya-Sha Co., Ltd. (1 from 1 patent)
1 patent:
1. 4949511 - Super abrasive grinding tool element and grinding tool