YH

Yoshio Hatakawa

DC Dai-Ichi Kogyo Seiyaku Co.: 7 patents #18 of 288Top 7%
Overall (All Time): #767,738 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5144022 Method of producing powdery high HLB sugar fatty acid ester Shusaku Matsumoto, Akihiko Nakajima 1992-09-01
5017697 Process for purifying sucrose fatty acid esters having high HLB Shusaku Matsumoto, Akihiko Nakajima 1991-05-21
5011922 Process for purifying sucrose fatty acid esters Shusaku Matsumoto, Akihiko Nakajima 1991-04-30
5008387 Process for purifying sucrose fatty acid esters Shusaku Matsumoto, Akihiko Nakajima 1991-04-16
4996309 Process for preparing sucrose fatty acid ester powder Shusaku Matsumoto, Akihiko Nakajima 1991-02-26
4995911 Process for recovering unreacted sucrose from reaction mixture in synthesis of sucrose fatty acid esters Shusaku Matsumoto, Akihiko Nakajima 1991-02-26
4762862 Process for preparing high molecular weight acrylic polymers Akira Yada, Shusaku Matsumoto, Yoshihiro Kawamori, Yoshitugu Adachi 1988-08-09