TT

Toshi Tsuzuki

SD Showa Denko: 2 patents #110 of 593Top 20%
SK Showa Denko K.K.: 2 patents #639 of 1,736Top 40%
Overall (All Time): #1,257,771 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7011969 Production process of surfactin Tadashi Yoneda, Yoshiaki Miyota, Kazuo Furuya 2006-03-14
6420419 L-ascorbic acid 2-phosphate zinc salt and process for manufacturing the same Masahiro Suzuki, Shinobu Ito, Eiji Ogata 2002-07-16
6127409 Ascorbic acid derivative and vitamin C preparation containing the same Masahiro Suzuki, Shinobu Ito, Eiji Ogata 2000-10-03
5387518 Alkaline protease having stability in solution with anionic surfactant, method for producing the same, use thereof and microorganism producing the same Toyoji Sawayanagi, Mina Saito, Yoshio Fujiwara, Yoshitaka Noguchi 1995-02-07