SK

Shigeki Kiriyama

ML Mitsubishi Petrochemical Company Limited: 2 patents #172 of 670Top 30%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
📍 Yokkaichi, JP: #1,070 of 2,072 inventorsTop 55%
Overall (All Time): #2,321,247 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4895929 Process for producing polyphenylene ether, dispersing polyether in aqueous medium and heating dispersion Katsuhiro Abe, Kazunori Yano, Ryuhei Matsui, Yoshiharu Tatsukami, Kenji Nagaoka 1990-01-23
4320041 Aqueous dispersion of olefin resins and continuous process for preparing thereof Katsuhiro Abe, Mitsuo Tsuruoka, Kazunobu Nakamori 1982-03-16