Average Co-Inventor Count = 2.78
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. Toppan Printing Co., Ltd. (6 from 1,268 patents)
2. Leybold Aktiengesellschaft (3 from 393 patents)
3. Fuji Jukogyo Kabushiki Kaisha (2 from 2,208 patents)
4. Sony Corporation (1 from 58,130 patents)
8 patents:
1. 7706240 - Optical disk and its manufacturing method
2. 7630819 - Vehicle driving support apparatus
3. 7177749 - Vehicle driving support apparatus
4. 6602564 - Vapor deposition film and packaging material
5. 5518792 - Packaging materials having oxygen barrier quality
6. 5378506 - Evaporation method of forming transparent barrier film
7. 5302208 - Vacuum coating installation
8. 5286531 - Method for treating an oxide coating