Average Co-Inventor Count = 1.76
ph-index = 3
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. Kabushiki Kaisha Toshiba (3 from 52,711 patents)
3 patents:
1. D444132 - Semiconductor element
2. 5345094 - Light triggered triac device and method of driving the same
3. 5138415 - Photo-semiconductor device with a zero-cross function