Inventor
HARA EIJIRO
JP4 patents
⚠️ This page may combine multiple inventors who share the name “HARA EIJIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHISEIDO CO LTD
3 patentsUS6395896B2May 28, 2002
Pyridazine derivatives, manufacturing method and related composition
SHISEIDO CO LTD2 citations60
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