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. Let Engineering Co., Ltd. (2 from 2 patents)
2 patents:
1. 12488773 - Liquid oxygen vent silencer used in oxygen production process
2. 12482445 - Liquid oxygen vent silencer