Average Co-Inventor Count = 2.00
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. Pentax Corporation (1 from 1,056 patents)
1 patent:
1. 6599239 - Flexible tube for endoscope, material used for producing outer cover of the flexible tube, and production method of the flexible tube