DH

Dong Hua

GC Guizhou Redstar Developing Co.: 6 patents #1 of 5Top 20%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #645,448 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9352976 Methods for preparing trimanganese tetroxide with low bet specific surface area, methods for controlling particle size of trimanganese tetroxide and trimanganese tetroxide product Zhiguang Jiang, Zhengtao Liu, Kaiwen Zeng 2016-05-31
9327995 Method for preparing barium titanate Zhiguang Jiang 2016-05-03
9163328 Methods for preparing trimanganese tetroxide with low BET specific surface area, methods for controlling particle size of trimanganese tetroxide and trimanganese tetroxide product Zhiguang Jiang, Zhengtao Liu, Kaiwen Zeng 2015-10-20
9018119 Method for preparing manganese sulfate monohydrate by desulfurizing fume with middle-low grade manganese dioxide ore Zhiguang Jiang, Fei Wu 2015-04-28
8747802 Method for preparing manganese sulfate monohydrate Zhiguang Jiang 2014-06-10
8480997 Method for preparing manganese sulfate monohydrate Zhiguang Jiang 2013-07-09
8221834 Titania composite and preparing method thereof Zhengtao Liu 2012-07-17
D410328 Umbrella handle with rotatable-head flashlight Philip M. Alajajian 1999-06-01