Average Co-Inventor Count = 2.40
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. Ricoh Company, Ltd. (4 from 28,584 patents)
4 patents:
1. 10594880 - Lock lever structure, unit, and image forming apparatus
2. 9871901 - Microphone holding structure and electronic device
3. 9167200 - Communication apparatus
4. 8570434 - Communication apparatus