Average Co-Inventor Count = 5.00
ph-index = 1
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. Canon Kabushiki Kaisha (1 from 90,753 patents)
2. Taiheiyo Cement Corporation (1 from 90 patents)
3. Nihon Ceratec Co., Ltd. (1 from 4 patents)
1 patent:
1. 8614536 - Piezoelectric element, and piezoelectric actuator and vibration wave motor including piezoelectric element