Average Co-Inventor Count = 3.48
ph-index = 5
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. Hitachi, Ltd. (6 from 42,535 patents)
2. Nippon Telegraph and Telephone Public Corporation (2 from 522 patents)
6 patents:
1. 4469778 - Pattern formation method utilizing deep UV radiation and bisazide
2. 4285007 - Color solid-state imager and method of making the same
3. 4279985 - Photopolymer imaging using epoxy and bromine containing ethylenically
4. 4241162 - Light sensitive photoresist materials
5. 4191571 - Method of pattern forming in a photosensitive composition having a
6. 4187205 - Radiation-sensitive composition