YK

Yukio Koyasu

MC Mitsubishi Chemical: 1 patents #1,511 of 3,022Top 50%
MK Mitsubishi Kasei: 1 patents #404 of 911Top 45%
Overall (All Time): #2,260,270 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5750760 Method for producing a nitrile Takashi Ushikubo, Hiroya Nakamura 1998-05-12
5380933 Method for producing an unsaturated carboxylic acid Takashi Ushikubo, Hiroya Nakamura, Shin Wajiki 1995-01-10