Average Co-Inventor Count = 2.00
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. Victor Company of Japan, Limited (2 from 2,887 patents)
2. Tokai University (1 from 11 patents)
3. Tokai Company (1 from 6 patents)
2 patents:
1. 5064275 - Liquid crystal display device having optically activatable switch means
2. 4952031 - Liquid crystal display device