YK

Yasuyuki Koizumi

CH Chisso: 18 patents #42 of 833Top 6%
CP Chisso Petrochemical: 1 patents #69 of 139Top 50%
Overall (All Time): #259,969 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
6703083 Silicon compound, liquid crystal composition and liquid crystal display Takashi Kato, Yasuhiro Kubo, Kanetsugu Terashima 2004-03-09
6319570 Liquid crystalline compound, liquid crystal composition comprising the liquid crystal-line compound, and liquid crystal display device using the liquid crystal composition Tugumiti Andou, Shuichi Matsui, Kazutoshi Miyazawa, Hiroyuki Takeuchi, Yasuko Sekiguchi +2 more 2001-11-20
6190576 Liquid crystal compounds, liquid crystal compostions containing the compounds, and liquid crystal display devices made by using the compositions Tugumiti Andou, Shuichi Matsui, Kazutoshi Miyazawa, Hiroyuki Takeuchi, Yasuko Sekiguchi +2 more 2001-02-20
6174457 Compound having alkadienyl group as side chain, and liquid crystal composition using same Takashi Kato, Kazutoshi Miyazawa, Shuichi Matsui, Noriyuki Ohnishi, Takashi Katoh +3 more 2001-01-16
6086964 Liquid crystalline compound having dienyl moiety and liquid crystal composition Noriyuki Onishi, Koichi Shibata, Yasuhiro Haseba, Shuichi Matsui, Kazutoshi Miyazawa +2 more 2000-07-11
6051288 Fluorine-substituted liquid-crystal compound, liquid-crystal composition and liquid-crystal display device Tomoyuki Kondo, Yasuhiro Haseba, Kazutoshi Miyazawa, Norihisa Hachiya, Etsuo Nakagawa 2000-04-18
6001275 Liquid-crystalline compound having dienyl moiety and liquid-crystal composition Noriyuki Onishi, Koichi Shibata, Yasuhiro Haseba, Shuichi Matsui, Kazutoshi Miyazawa +2 more 1999-12-14
5820784 Liquid crystal compostion and liquid crystal display device Tomoyuki Kondo, Shuichi Matsui, Koichi Shibata, Yasuhiro Haseba, Norihisa Hachiya +2 more 1998-10-13
5776367 Alkenylcyclohexane derivatives, liquid crystal composition and liquid crystal display element Shuichi Matsui, Takashi Kato, Kazutoshi Miyazawa, Norihisa Hachiya, Etsuo Nakagawa 1998-07-07
5755994 Ester derivative, liquid crystal composition and liquid crystal display element Tomoyuki Kondo, Shuichi Matsui, Koichi Shibata, Yasuhiro Haseba, Norihisa Hachiya +2 more 1998-05-26
5733477 Liquid crystal composition and liquid crystal display element Tomoyuki Kondo, Yasuhiro Haseba, Kazutoshi Miyazawa, Norihisa Hachiya, Etsuo Nakagawa 1998-03-31
5604120 Method for producing optically active endo-2-norborneols Hitoshi Yano, Teruyo Sugiura, Naoyuki Yoshida 1997-02-18
5518903 Process for producing optically active 3-aminobutanoic acid and the ester intermediates Naoyuki Yoshida, Teruyo Sugiura 1996-05-21
5449793 Process for producing an optically active 1,5-disubstituted-2,4-O-isopropylidene-2,4-dihydroxypentane Kazutoshi Miyazawa, Teruyo Sugiura, Naoyuki Yoshida 1995-09-12
5395766 Optically active trans-2-aryl-1-cyclohexanol derivatives and a process for producing the compounds Naoyuki Yoshida, Teruyo Sugiura, Kazutoshi Miyazawa 1995-03-07
5395983 Process for producing 1-phenyl-1,3-propanediols having high optical purtiy Kazutoshi Miyazawa, Teruyo Sugiura, Naoyuki Yoshida 1995-03-07
5329018 Optically active 1-5-disubstituted-2,4-o-isopropylidene-2,4-dihydroxypentane and a process for producing the same Kazutoshi Miyazawa, Teruyo Sugiura, Naoyuki Yoshida 1994-07-12
5266728 Method for producing optically active 3-substituted-2-norbornanones and their intermediates Naoyuki Yoshida, Teruyo Sugiura, Kazutoshi Miyazawa 1993-11-30