Average Co-Inventor Count = 8.00
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. Toyoda Gosei Co., Ltd. (1 from 3,080 patents)
2. Sumita Optical Glass, Inc. (1 from 55 patents)
1 patent:
1. 7825575 - Solid-state element device and light-emitting apparatus using same