Average Co-Inventor Count = 2.67
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. The Yoshida Dental Mfg. Co., Ltd. (2 from 25 patents)
2. Other (1 from 832,912 patents)
3. Motoyama, Osamu (0 patent)
2 patents:
1. 11490801 - Endoscope with extremely small diameter
2. 11135035 - Dental hand piece and method for manufacturing dental hand piece