Inventor

MA QINYUAN

CN2 patents

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

UNIV SHANDONG TECHNOLOGY

1 patent

US12319939B2Jun 3, 2025

Carbonyl reductase mutant and its application

UNIV SHANDONG TECHNOLOGY0 citations50

SHANDONG JINCHENG PHARMACEUTICAL CHEMICAL CO LTD

1 patent

US11884644B1Jan 30, 2024

Method for synthesizing (S)-nicotine and intermediate thereof

SHANDONG JINCHENG PHARMACEUTICAL CHEMICAL CO LTD0 citations43