Average Co-Inventor Count = 6.18
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. Canon Kabushiki Kaisha (3 from 90,753 patents)
2. Oriental Photo Industrial Co., Ltd. (1 from 9 patents)
3 patents:
1. 5374496 - Image forming method
2. 5364732 - Image forming method and image forming medium
3. 5171657 - Light sensitive image forming medium