YH

Yasumasa Hamada

NI Nissan Chemical Industries: 2 patents #451 of 1,150Top 40%
YH Yakult Honsha: 1 patents #185 of 410Top 50%
OC Ono Pharmaceutical Co.: 1 patents #329 of 559Top 60%
Overall (All Time): #1,244,578 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7799941 Process for producing optically active β-hydroxy-α-aminocarboxylic acid derivative Kazuishi Makino 2010-09-21
7781609 Process for producing optically active β-hydroxy-α-aminocarboxylic acid derivative Kazuishi Makino 2010-08-24
7589221 Process for producing (2R)-2-propyloctanoic acid and intermediate therefor Tomoyuki Hasegawa, Toshiaki Matsui, Eiji Kasamatsu 2009-09-15
5158970 Proline derivatives Takayuki Shioiri, Naoko Irako, Kunio Kado 1992-10-27