Average Co-Inventor Count = 6.00
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. 6069776 - Tubular rotary head cleaner having a non-woven fabric for a magnetic
2. 5973892 - Head cleaner for magnetic recording/reproducing apparatus having a