Average Co-Inventor Count = 4.00
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. Casio Computer Co., Ltd. (2 from 5,229 patents)
2. Casio Electronics Manufacturing Co., Ltd. (2 from 75 patents)
2 patents:
1. 4687318 - Copying apparatus
2. 4648706 - Image reproduction apparatus