Average Co-Inventor Count = 2.77
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. Tsubakimoto Chain Company (2 from 906 patents)
2. IP Co., Ltd. (2 from 15 patents)
3. Nichia Corporation (1 from 3,080 patents)
4. Sumitomo Osaka Cement Co., Ltd. (1 from 476 patents)
5. Tsubakimoto Kogyo Co. Ltd. (1 from 9 patents)
3 patents:
1. 7329196 - Guide for transmission device
2. 6890381 - Hydraulic-composition bonded magnet
3. 6890277 - Sandwich-molded guide for transmission device