Average Co-Inventor Count = 5.06
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. Toppan Printing Co., Ltd. (3 from 1,268 patents)
2. Toyo Ink Mfg. Co., Ltd. (3 from 105 patents)
3 patents:
1. 7420632 - Color filter and liquid crystal display device provided with the same
2. 7361709 - Colored composition, method of manufacturing color filter, and method of manufacturing black matrix substrate
3. 7300608 - Blue colored composition for color filter and color filter