Average Co-Inventor Count = 3.56
ph-index = 4
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. Nippon Telegraph and Telephone Corporation (5 from 5,290 patents)
2. Hitachi, Ltd. (1 from 42,508 patents)
3. Bandai Namco Entertainment Inc. (1 from 100 patents)
6 patents:
1. 9789401 - Game device, game system, and information storage medium
2. 5208629 - Optical projection exposure method and system using the same
3. 4820609 - Highly sensitive positive resist mixture
4. 4699870 - Patterning method
5. 4692579 - Electron beam lithography apparatus
6. 4634645 - Method of forming resist micropattern