Average Co-Inventor Count = 2.31
ph-index = 4
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. Mita Industrial Co., Ltd. (5 from 1,344 patents)
5 patents:
1. D332606 - Facsimile machine
2. D324540 - Computer peripheral equipment printer
3. D319072 - Auto document feeder
4. D309631 - Sorter
5. D308696 - Process unit for copying machine