Average Co-Inventor Count = 6.00
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. Cosmo Oil Co., Ltd. (2 from 163 patents)
2. Hideki Okada (0 patent)
3. Tohru Tanaka (0 patent)
4. Seiji Nishikawa (0 patent)
5. Masahiro Ishizuka (0 patent)
6. Mai Higo (0 patent)
7. Naohisa Tachiya (0 patent)
2 patents:
1. 8471061 - 5-aminolevulinic acid salt, process for producing the same and use thereof
2. 8173839 - 5-aminolevulinic acid salt, process for producing the same and use thereof