Average Co-Inventor Count = 7.00
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. Tdk Corporation (2 from 8,002 patents)
2. Tokyo Magnetic Printing Co., Ltd. (1 from 14 patents)
2 patents:
1. 5229219 - Magnetic recording medium comprising a magnetic layer containing a
2. 4923533 - Magnetic shield-forming magnetically soft powder, composition thereof,