Average Co-Inventor Count = 5.46
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. Nsk Corporation (1 from 2,430 patents)
2. Jeol Ltd. (1 from 803 patents)
2 patents:
1. 5462362 - Wear resisting slide member
2. 5264705 - Specimen-driving apparatus for electron microscope which tilts and