Inventor

HIRANO KEIKO

JP2 patents

⚠️ This page may combine multiple inventors who share the name “HIRANO KEIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SANTEN PHARMACEUTICAL CO LTD

1 patent

US5736546AApr 7, 1998

1,4-(diphenlyalkyl) piperazine derivatives

SANTEN PHARMACEUTICAL CO LTD51 citations90

HIRANO KEIKO

1 patent

US9780308B2Oct 3, 2017

Composition and light emitting device using the same

HIRANO KEIKO0 citations31