Average Co-Inventor Count = 10.91
ph-index = 1
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. Fuji Xerox Co., Ltd. (1 from 11,665 patents)
2. Yamanouchi Pharmaceutical Company Ltd. (1 from 329 patents)
3. Nippon Flour Mills Co., Ltd (1 from 9 patents)
2 patents:
1. 7987971 - Belt device and fixing device
2. 5159069 - Sulfated tannins and their salts