Average Co-Inventor Count = 8.00
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. Toyama Chemical Co., Ltd. (1 from 159 patents)
2. Yozo Todo (0 patent)
3. Hirokazu Narita (0 patent)
4. Isamu Saikawa (0 patent)
5. Yoshikazu Fukuoka (0 patent)
6. Fumihiko Iino (0 patent)
7. Mikako Miyajima (0 patent)
8. Jun Nitta (0 patent)
9. Hiroyasu Takagi (0 patent)
1 patent:
1. 4990508 - Pyridone carboxylic acid derivatives and salts thereof, process for