YK

Yohei Kurata

SK Showa Denko K.K.: 5 patents #278 of 1,736Top 20%
JI Japan Chemical Innovation Institute: 1 patents #25 of 43Top 60%
Overall (All Time): #861,335 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8551509 Skin agent for external use and cosmetic agent including ubiquinone derivative or salt thereof and method using the same Hirobumi Aoki, Harumi Kamachi, Hirotsugu Nakanishi 2013-10-08
7842726 Carnitine derivative, salt thereof, external skin preparation and cosmetic material Hirobumi Aoki, Harumi Kamachi 2010-11-30
6471940 Preparation of zeolite Hideaki Hamada, Takaaki Hanaoka, Yoshihiro Sugi, Yoshihiro Kubota 2002-10-29
6046181 Highly purified tocopheryl phosphate, process for producing the same, analytical method therefor and cosmetic Yutaka Oonishi, Tsutomu Nozawa, Takami Ooe, Keisuke Mano, Naoaki Misu +2 more 2000-04-04
5965750 High- purity tocopherol phosphates, process for the preparation thereof, methods for analysis thereof, and cosmetics Yutaka Oonishi, Tsutomu Nozawa, Takami Ooe, Keisuke Mano, Naoaki Misu +2 more 1999-10-12
5110951 Method for producing L-ascorbic acid 2-phosphates Yoshimasa Ishimura 1992-05-05