SK

Shoji Kawashima

MI Mitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%
Overall (All Time): #3,748,278 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5538985 Pyrrolidinone derivatives Hajime Iizuka, Takahisa Oguchi, Yoji Aoki, Norio Ohto, Kazutoshi Horikomi +2 more 1996-07-23