Average Co-Inventor Count = 1.14
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. 9621820 - Image projection apparatus, image projection method, and computer-readable storage medium
2. 9560327 - Projection system and projection method
3. 8727540 - Image projecting device having a toppling detecting part
4. 7505167 - Information processing apparatus, method, and computer product, for file naming