Average Co-Inventor Count = 1.33
ph-index = 1
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. (2 from 28,566 patents)
2 patents:
1. 12064971 - Liquid discharge head and liquid discharge apparatus
2. 11597223 - Liquid discharge apparatus