Chikugo
Japan
7
2019-03-14
The entities that hold a legal rights for patent applications filed by inventor Tokunaga Koichi:
Koichi Tokunaga from Chikugo, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Process for producing (poly)sulfide compound and process for producing episulfide compound
#2 | 2018-04-05Purification method of aldehyde compound
#3 | 2018-04-05Purification method of aldehyde compound
#4 | 2015-10-22Preparation method of aldehyde compound with limited amount of acrylonitrile
#5 | 2015-10-22Preparation method of aldehyde compound using a metal compound and a phosphorus compound
#6 | 2015-10-15Purification method of aldehyde compound
#7 | 2009-08-06Process for producing dicyanonorbornane and zerovalent nickel complex catalyst
6252907 ⎘