SY

Seiichiro Yokohama

TK Toyo Boseki Kabushiki Kaisha: 1 patents #541 of 1,085Top 50%
Overall (All Time): #3,937,709 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4866006 Process for producing hydrogenated amorphous silicon film Osamu Imagawa, Masazumi Iwanishi 1989-09-12