Average Co-Inventor Count = 3.43
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. Sony Corporation (1 from 58,130 patents)
2. Oji Kako Co., Ltd. (1 from 3 patents)
2 patents:
1. 5360860 - Water-soluble resin emulsion and process for preparation thereof
2. 5134047 - Method of manufacturing color cathode ray tube