Average Co-Inventor Count = 4.09
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 (6 from 832,912 patents)
2. Tdk Corporation (5 from 7,986 patents)
3. Ueda Textile Science Foundation (1 from 2 patents)
6 patents:
1. 7196240 - Method and equipment for making polychlorobiphenyl nontoxic
2. 5776576 - Phthalaocyanine compound as a layer in optical recording medium
3. 5763601 - Naphthalocyanine compounds, naphthalocyanine polymers and method for
4. 5633370 - Naphthalocyanine compounds, naphthalocyanine polymers and method for
5. 5618930 - Phthalocyanine compound and method for making, nitro-substituted
6. 5516900 - Phthalocyanine compounds containing either a polymerizable vinyl group,