TI

Takaharu Ikeda

SC Sumitomo Chemical: 9 patents #537 of 4,033Top 15%
SE Sumitomo Electric: 1 patents #1 of 33Top 4%
Overall (All Time): #527,902 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5268501 Process for preparing haloketo acid derivatives Seiichi Kai, Masayoshi Minai 1993-12-07
5202467 Process for preparing haloketo acid derivatives Seiichi Kai, Masayoshi Minai 1993-04-13
5191109 Process for preparing optically active cyclopentenones Masayoshi Minai, Sachiko Imazu, Seiichi Kai, Hideyuki Ikehira 1993-03-02
5144039 Process for producing optically active alcohol Yukio Yoneyoshi, Gohfu Suzukamo, Naoto Konya 1992-09-01
4983758 Process for producing an optically active .alpha.-isopropyl-p-chlorophenylacetic acid Yoshiaki Oda, Hiroshi Yamachika 1991-01-08
4904793 Triazole compounds, and their production Kazuhiro Tada 1990-02-27
4814460 Process for preparing E-isomer of triazolyl styryl ketone derivative Kazuhiro Tada, Haruki Morino 1989-03-21
4814461 Process for preparing E-isomer of a triazolyl styryl ketone derivative Kazuhiro Tada 1989-03-21
4544635 Preparation of optically active cis-1,3-dibenzyl-hexahydro-1H-furo[3,4-d]imidazole-2,4-dione and its intermediates Naohito Ohashi, Kozo Shimago, Kikuo Ishizumi 1985-10-01
4496739 Intermediates to optically active cis-1,3-dibenzyl-hexahydro-1H-furo[3,4-d]imidazole-2,4-dione Naohito Ohashi, Kozo Shimago, Kikuo Ishizumi 1985-01-29