Average Co-Inventor Count = 5.00
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. Matsushita Electric Industrial Co., Ltd. (2 from 27,375 patents)
2 patents:
1. 6718799 - Die and glass material for forming glass substrate, method for manufacturing glass substrate, and magnetic disk glass substrate
2. 6539750 - Glass substrate forming mold and production method for glass substrate