Inventor

BI YANJIN

CN4 patents

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

LI HONGFA

2 patents

US8303772B2Nov 6, 2012

Method for preparing a grass-type unbleached paper product

LI HONGFA6 citations65

US8771465B2Jul 8, 2014

Raw Paper

LI HONGFA0 citations42

SHANDONG TRALIN PAPER CO LTD

2 patents

US10059632B2Aug 28, 2018

Humic acid composition and application thereof

SHANDONG TRALIN PAPER CO LTD1 citations42

US9420745B2Aug 23, 2016

Corn stalk material, a method and apparatus for preparing it

SHANDONG TRALIN PAPER CO LTD0 citations38