Inventor
SUETSUGU MASARU
JP19 patents
⚠️ This page may combine multiple inventors who share the name “SUETSUGU MASARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHISEIDO CO LTD
11 patentsUS5122418AJun 16, 1992
Composite powder and production process
SHISEIDO CO LTD223 citations97
US5182103AJan 26, 1993
Magnesium aluminometasilicate coated composite powder and use thereof
SHISEIDO CO LTD45 citations91
US5690914ANov 25, 1997
External preparation for skin
SHISEIDO CO LTD22 citations89
US4829187AMay 9, 1989
UV-ray sensitive composition and element for measuring UV-ray dose
SHISEIDO CO LTD49 citations89
US5700784ADec 23, 1997
External preparation for skin
SHISEIDO CO LTD10 citations70
US5767158AJun 16, 1998
Endermic liniment
SHISEIDO CO LTD8 citations67
US8901160B2Dec 2, 2014
Heparanase activity inhibitor
SHISEIDO CO LTD2 citations61
US6395896B2May 28, 2002
Pyridazine derivatives, manufacturing method and related composition
SHISEIDO CO LTD2 citations60
US8003083B2Aug 23, 2011
Benzylidene malonamide and salt thereof, ultraviolet ray absorbent, and agent for external application to the skin
SHISEIDO CO LTD0 citations49
US6476024B1Nov 5, 2002
Pyridazine derivatives and related composition
SHISEIDO CO LTD0 citations49
US6676932B2Jan 13, 2004
Ultraviolet absorbent, photostabilizer, ultraviolet ray-absorbing composition, photostabilized composition and external preparation for skin
SHISEIDO CO LTD0 citations38
KAMINUMA MIKIKO
3 patentsUS8937090B2Jan 20, 2015
Parakeratosis inhibitor, pore-shrinking agent and external composition for skin
KAMINUMA MIKIKO7 citations79
US8138374B2Mar 20, 2012
Composition for external application to skin
KAMINUMA MIKIKO0 citations45
US8586638B2Nov 19, 2013
Parakeratosis inhibitor and skin preparation for external use
KAMINUMA MIKIKO0 citations44