Average Co-Inventor Count = 1.00
ph-index = NA
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. Mitsubishi Materials Corporation (1,530 patents)
2. Noritake Co., Ltd. (198 patents)
3. Yushiro Chemical Industry Co., Ltd. (22 patents)
4. Toyota Motor Hokkaido, Inc. (3 patents)
0 patent: