Average Co-Inventor Count = 3.20
ph-index = 3
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. Matsushita Electric Industrial Co., Ltd. (4 from 27,375 patents)
4 patents:
1. 4961802 - Method of manufacturing a lens array for reading information
2. 4701810 - Facsimile apparatus
3. 4667252 - Facsimile apparatus
4. 4065792 - Facsimile system