HY

Hiroshi Yamachika

SC Sumitomo Chemical: 11 patents #424 of 4,033Top 15%
DL Daiei Chemical Company, Limited: 1 patents #4 of 12Top 35%
Overall (All Time): #474,843 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
5017713 Process for preparing substituted aminoanthraquinones Takanori Kondo, Kunihiko Tanaka, Yasuhiro Nishida 1991-05-21
4983758 Process for producing an optically active .alpha.-isopropyl-p-chlorophenylacetic acid Yoshiaki Oda, Takaharu Ikeda 1991-01-08
4958033 Process for preparing alcohols Yukihisa Takisawa, Nobuharu Kono, Kenji Saito 1990-09-18
4510329 Process for preparing cyclopentenolones Kenji Saito 1985-04-09
4500721 Process for producing benzaldehydes Hirotoshi Nakanishi 1985-02-19
4465862 Cyclopentendione and cyclopentenone Kenji Saito 1984-08-14
4398043 Process for preparing cyclopentenolones Kenji Saito, Yukihisa Takisawa 1983-08-09
4371711 Process for producing 4-hydroxycyclopentenones Kenji Saito 1983-02-01
4356326 Process for producing 3-oxocyclopentenes Kenji Saito 1982-10-26
4352756 Production of furfuryl alcohols Yukihisa Takisawa, Kenji Saito 1982-10-05
4347386 Process for preparing cyclopentenolones Kenji Saito 1982-08-31