Average Co-Inventor Count = 2.29
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. Hirata Corporation (4 from 168 patents)
4 patents:
1. 9761472 - Container opening/closing device
2. 9620399 - Load port
3. 9324599 - Container opening/closing device
4. 8591163 - FOUP opener and operating method thereof