Average Co-Inventor Count = 2.40
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. Ricoh Company, Ltd. (3 from 28,577 patents)
3 patents:
1. 7081659 - Semiconductor apparatus having a built-in electric coil and a method of making the semiconductor apparatus
2. 6977403 - Semiconductor apparatus having a built-in-electric coil and a method of making the semiconductor apparatus
3. 5310446 - Method for producing semiconductor film