Average Co-Inventor Count = 1.50
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. Kyowa Sangyo Co., Ltd. (6 from 42 patents)
6 patents:
1. 12151542 - Vehicle sun visor
2. 9434241 - Vehicle sun visor
3. 9296279 - Vehicle sun visor
4. 9033392 - Vehicle sun visor
5. 8931822 - Vehicle sun visor
6. 8845000 - Vehicle sun visor