WK

Wataru Kosaka

IC Idemitsu Petrochemical Co.: 7 patents #36 of 578Top 7%
IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
SC Sumitomo Bakelite Co.: 1 patents #403 of 790Top 55%
Overall (All Time): #578,469 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8487042 Polyarylene sulfide resin composition and a molded article formed therefrom Naoto Okubo, Eiji Tamura 2013-07-16
6534124 Method of producing the plated molded articles by non-electrode plating, and the resin compositions for that use Eiji Tamura, Toshimi Arashi 2003-03-18
6299942 Method of producing the plated molded articles by non-electrode plating, and the resin compositions for that use Eiji Tamura, Toshimi Arashi 2001-10-09
6117950 Polyarylene sulfide resin compositions Shinobu Yamao 2000-09-12
6037422 Polyarylene sulfide resin compositions Shinobu Yamao 2000-03-14
5231163 Polyarylene sulfide from aromatic compound having at least three functional groups Minoru Senga, Norio Ogata, Tatsuya Housaki 1993-07-27
5200271 Polyarylene sulfide resin compositions and molded articles 1993-04-06
5143951 Epoxy resin composition for semiconductor sealing Ken Ohta, Kenichi Yanagisawa 1992-09-01
5134190 Polyarylene sulfide resin compositions and molded articles 1992-07-28