AK

Akira Kawamata

KA Kao: 3 patents #7 of 239Top 3%
Overall (1994): #14,973 of 165,921Top 10%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5371296 4,4-dimethyl-1-phenylpentane-1,3-dione derivative and UV ray absorbent and cosmetic containing the same Masakazu Yamaguchi, Genji Imokawa, Kouichi Niinaka 1994-12-06
5334372 Alcohol-modified silicon ester derivative and cosmetic composition containing same Yoko Kikuchi, Yuji Suzuki, Toshiyuki Suzuki, Mituo Suda, Yukihiro Ohashi 1994-08-02
5306838 Siloxane derivatives, producing method thereof and agents including siloxane derivative Yasushi Shioya, Yuji Suzuki, Ken Takeuchi, Koji Yoshino 1994-04-26