YA

Yukoh Arai

KC Kyowa Hakko Kogyo Co.: 1 patents #19 of 79Top 25%
📍 Susono, JP: #34 of 82 inventorsTop 45%
Overall (1989): #39,893 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4849354 Process for producing menaquinone-4 Kenichiro Takayama, Susumu Tomohiro, Shizuko Shirasuna 1989-07-18