Average Co-Inventor Count = 3.00
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. Sanyo Electric Co., Ltd. (1 from 8,776 patents)
2. Arakawa Chemical Industries, Ltd. (1 from 62 patents)
3. Arakawa Kagaku Kogyo Kabushiki Kaisha (1 from 33 patents)
3 patents:
1. 6803971 - Projection type video display device that prevents color nonuniformity
2. 5817214 - Rosin emulsion sizing agent for paper making and method for paper sizing
3. 5367009 - Aqueous rosin emulsion and dispersant composition useful therein