Average Co-Inventor Count = 4.21
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. Pioneer Electronic Corporation (4 from 2,861 patents)
2. Casio Computer Co., Ltd. (1 from 5,229 patents)
4 patents:
1. 6757223 - System for carrying and reproducing a disc
2. 6690627 - System for reproducing a recorded disc
3. 6680882 - System for reproducing a disc
4. 6118644 - Electromagnetic actuator and image pickup apparatus