Average Co-Inventor Count = 2.00
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. Nitto-denko Corporation (1 from 3,871 patents)
2. Showa Shell Sekiyu Kabushiki Kaisha (1 from 36 patents)
2 patents:
1. 5463085 - Synthesis method of physiologically active delta-lactone
2. 5118836 - Optically active fluorine-containing 3-hydroxybutyric acid esters and