YK

Yutaka Kameyama

OK Otsuka Kagaku Kabushiki Kaisya: 5 patents #1 of 17Top 6%
📍 Okayama, JP: #3 of 146 inventorsTop 3%
Overall (2002): #6,905 of 266,432Top 3%
5
Patents 2002

Issued Patents 2002

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6448393 Process for producing 3-cephem compounds 2002-09-10
6420554 Process for preparation of 3-cephem compound Takae Yamada, Dal Soo Suh 2002-07-16
6417351 Process for producing 3-alkenylcephem compounds 2002-07-09
6399770 Preparation of &bgr;-hydroxy esters using ammonium borohydrides 2002-06-04
6339152 Process for producing exo-methylenepenam compounds Sigeru Torii, Hideo Tanaka, Yoshihisa Tokumaru 2002-01-15