AK

Atsuo Kobayashi

DC Dainippon Screen Mfg. Co.: 1 patents #30 of 106Top 30%
Overall (1989): #130,522 of 140,708Top 95%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4830888 Surface treatment method and apparatus thereof Takuma Yamada, Kiyoshi Akao 1989-05-16