Average Co-Inventor Count = 4.00
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. Japan Science and Technology Agency (1 from 1,310 patents)
2. Sintokogio, Ltd. (1 from 544 patents)
3. Nagoya University (1 from 371 patents)
1 patent:
1. 7320716 - Method for toughening surface of sintered material cutting tool and sintered material cutting tool having long life