Inventor

HAYASHI SEI-ICHI

JP3 patents

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

NIPPON KAYAKU KK

2 patents

US4959097ASep 25, 1990

23-Phenylsteroids

NIPPON KAYAKU KK3 citations57

US4891168AJan 2, 1990

Process for producing steroid derivatives

NIPPON KAYAKU KK1 citations45

HAYASHI SEI ICHI

1 patent

US4886544ADec 12, 1989

23-phenylbrassinosteroids

HAYASHI SEI ICHI2 citations52