MK

Masaki Kohyama

MI Mitsui Petrochemical Industries: 11 patents #43 of 1,024Top 5%
Shell Oil Compny: 5 patents #661 of 4,423Top 15%
Overall (All Time): #303,091 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
5842505 Multi-layer pipe Shin Tokui 1998-12-01
5385998 Random 1-butene/ethylene copolymer Takeshi Muranaka, Kunisuke Fukui, Norio Kashiwa 1995-01-31
5336747 Random 1-butene/ethylene copolymer Takeshi Muranaka, Kunisuke Fukui, Norio Kashiwa 1994-08-09
5324805 Ethylene/pentene-1 copolymer and ethylene/pentene-1 copolymer composition Mamoru Kioka, Takashi Ueda, Masaya Yamada, Seiichi Ikeyama, Yoshinori Akana +4 more 1994-06-28
5290896 Ethylene/pentene-1 copolymer, and ethylene/pentene-1 copolymer composition Mamoru Kioka, Tsuneo Yashiki, Takashi Ueda, Masaya Yamada, Seiichi Ikeyama +4 more 1994-03-01
5262228 Ethylene/pentene-1 copolymer compositions and their use Masaya Yamada 1993-11-16
5260382 Ethylene/pentene-1 copolymer compositions Masaya Yamada 1993-11-09
4801672 Random 1-butene copolymer Takeshi Muranaka, Kunisuke Fukui, Norio Kashiwa 1989-01-31
4778870 Random 1-butene/ethylene copolymer Takeshi Muranaka, Kunisuke Fukui, Norio Kashiwa 1988-10-18
4734328 Crystalline random propylene copolymer composition and composite laminate comprising said composition Takeshi Muranaka, Kunisuke Fukui, Norio Kashiwa 1988-03-29
4726999 Laminated structure comprising a substrate layer composed of a crystalline propylene resin and a heat-sealable layer composed of a crystalline propylene random copolymer composition Takeshi Muranaka, Kunisuke Fukui, Norio Kashiwa 1988-02-23
4727112 Crystalline 1-butene polymer composition Hiroyuki Hori 1988-02-23
4727113 Crystalline 1-butene polymer composition Hiroyuki Hori 1988-02-23
4725505 Polybutylene blend for form and fill film packaging Charles C. Hwo 1988-02-16
4668753 Film-forming propylene copolymer, film thereof and process for production of the film Norio Kashiwa, Mamoru Kioka, Masanobu Ishiyama 1987-05-26
4642269 Crystalline random propylene copolymer composition and composite laminate comprising said composition Takeshi Muranaka, Kunisuke Fukui, Norio Kashiwa 1987-02-10