Average Co-Inventor Count = 3.32
ph-index = 4
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. (6 from 28,577 patents)
6 patents:
1. 6502960 - Light source device for an image forming apparatus
2. 6472247 - Solid-state imaging device and method of production of the same
3. 6299331 - Light source device for an image forming apparatus
4. 6179445 - Light source device for an image forming apparatus
5. 5997153 - Light source device for an image forming apparatus
6. 5758950 - Light source device for an image forming apparatus