Average Co-Inventor Count = 4.20
ph-index = 2
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. Nissen Corporation (2 from 14 patents)
2. Nippon Metal Industry Co., Ltd. (1 from 9 patents)
2 patents:
1. 5362443 - Method and apparatus for disposal of medical waste
2. 4830278 - Steam sterilizing apparatus