Osaka
Japan
5
2023-06-29
The entities that hold a legal rights for patent applications filed by inventor Ma Donghui:
Donghui Ma from Osaka, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
RESIDUAL STRESS IMPROVEMENT METHOD AND RESIDUAL STRESS IMPROVEMENT APPARATUS
#2 | 2016-02-11SUNLIGHT CONCENTRATING APPARATUS
#3 | 2015-10-22PIPE
#4 | 2015-03-19PIPE AND METHOD FOR MANUFACTURING PIPE
#5 | 2015-02-19PIPE AND METHOD FOR MANUFACTURING PIPE
1069723 ⎘