Average Co-Inventor Count = 4.44
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. Mitsui Petrochemical Industries, Ltd. (1 from 1,008 patents)
2. Idec Izumi Corporation (1 from 44 patents)
3. Mitsui Petrochemical Ind. Ltd. (1 from 9 patents)
2 patents:
1. 5126826 - Light-emitting or receiving device and method for preparing the same
2. 5101264 - Light-emitting or receiving device with smooth and hard encapsulant resin