Average Co-Inventor Count = 7.78
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. Hitachi, Ltd. (5 from 42,508 patents)
5 patents:
1. 6688106 - Waste processing system and fuel reformer used in the waste processing system
2. 6442938 - Waste processing system and fuel reformer used in the waste processing system
3. 6282902 - Waste processing system and fuel reformer used in the waste processing system
4. 6058856 - Waste processing system and fuel reformer used in the waste processing
5. 6014863 - Waste processing system and fuel reformer used in the waste processing