EK

Eiko Kato

SK Showa Denko K.K.: 3 patents #463 of 1,736Top 30%
Overall (All Time): #1,435,470 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11045471 Melanin production inhibitor, whitening agent, fibroblast activator, collagen and/or elastin production promotor and wrinkle ameliorant Daisuke YAGYU, Yuko NAKAGAMI, Ryota NIIBAYASHI 2021-06-29
10646487 Melanin production inhibitor, whitening agent, fibroblast activator, collagen and/or elastin production promotor and wrinkle ameliorant Daisuke YAGYU, Yuko NAKAGAMI, Ryota NIIBAYASHI 2020-05-12
8278350 Agent for skin external use containing salt of ascorbic acid derivative, method for stabilizing the agent for skin external use, and stabilizer Tadashi Yoneda, Eiji Ogata 2012-10-02