KA

Koutarou Asahina

MI Mitsui Toatsu Chemicals, Incorporated: 6 patents #227 of 1,543Top 15%
MC Mitsui Chemicals: 2 patents #873 of 2,279Top 40%
Overall (All Time): #605,679 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12378377 Cyclic olefin-based copolymer composition, varnish, and cross-linked product Hirohiko MURASE, Fumito Takeuchi 2025-08-05
7470471 Resin composition, prepreg and laminate using the composition Kousuke Hirota, Kenji Shima, Hitoshi Sakuraba, Takashi Iiyama 2008-12-30
5266654 Resin composition Mikio Kitahara, Koichi Machida, Takayuki Kubo, Motoyuki Torikai, Junsuke Tanaka +1 more 1993-11-30
5134204 Resin composition for sealing semiconductors Motoyuki Toriakai, Mikio Kitahara, Koichi Machida, Takayuki Kubo 1992-07-28
5120803 Resin compositions for sealing semiconductor Mikio Kitahara, Koichi Machida, Takayuki Kubo, Motoyuki Torikai 1992-06-09
5082880 Semiconductor sealing composition containing epoxy resin and polymaleimide Mikio Kitahara, Koichi Machida, Takayuki Kubo, Motoyuki Torikai 1992-01-21
5079331 Heat-resistant epoxy resin composition based on 2-(4-hydroxyphenyl)-2-(4-maleimidophenyl)propane Mikio Kitahara, Koichi Machida, Takayuki Kubo, Motoyuki Torikai, Yoshimitsu Tanabe +2 more 1992-01-07
5015674 Composition of vinyl polymer-grafted, silicone polymer-modified epoxy resin and polymaleimide Koichi Machida, Mikio Kitahara, Takayuki Kubo, Motoyuki Torikai 1991-05-14