Average Co-Inventor Count = 5.50
ph-index = 6
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. (7 from 42,485 patents)
2. Kawasaki Steel Corporation (1 from 1,256 patents)
8 patents:
1. 4765547 - Apparatus for separating fiber from fiber aggregate
2. 4554223 - Fuel cell apparatus
3. 4412236 - Color solid-state imager
4. 4395629 - Solid-state color imager and method of manufacturing the same
5. 4311773 - Method of producing color filters
6. 4285007 - Color solid-state imager and method of making the same
7. 4101440 - Chemically digestive agents
8. 4086090 - Formation of pattern using acrylamide-diacetoneacrylamide copolymer