Average Co-Inventor Count = 5.91
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. Taisho Pharmaceutical Co., Ltd. (5 from 314 patents)
2. Toyama Chemical Co., Ltd. (2 from 159 patents)
3. Mitsubishi Chemical Corporation (1 from 2,346 patents)
4. Mitsubishi Rayon Company, Limited (1 from 1,357 patents)
5. Fujifilm Toyama Chemical Co., Ltd. (37 patents)
7 patents:
1. 10940400 - Heat treatment furnace device and method for producing carbon fiber bundle
2. 9499477 - Hydroxamic acid derivative
3. 9267080 - Carbonization furnace for manufacturing carbon fiber bundle and method for manufacturing carbon fiber bundle
4. 9181229 - Azole derivative
5. 9073821 - Hydroxamic acid derivative
6. 8637557 - Aminothiazole derivative
7. 8461329 - Isoquinoline derivative