Average Co-Inventor Count = 4.20
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. Nikon Corporation (1 from 8,898 patents)
2. Optical Measurement Technology Development Co., Ltd. (1 from 6 patents)
2 patents:
1. 6003419 - Microcutting device and incising method
2. 5289494 - Distributed feedback semiconductor laser