Average Co-Inventor Count = 6.86
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. Other (1 from 832,880 patents)
2. Ricoh Company, Ltd. (1 from 28,577 patents)
3. Mitsubishi Kasei Corporation (1 from 499 patents)
2 patents:
1. 4939214 - Film comprised of at least one monomolecular layer and process for its
2. 4921728 - Process of making a liquid crystal element