Average Co-Inventor Count = 3.75
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. Kyowa Hakko Kogyo Co., Ltd. (1 from 730 patents)
2. Kyowa Yuka Co., Ltd. (1 from 22 patents)
2 patents:
1. 6048956 - Diglycidyl ethers
2. 5952455 - Process for producing polyhydroxycarboxylic acid