TY

Tooru Yamanaka

MI Mitsui Petrochemical Industries: 12 patents #39 of 1,024Top 4%
MC Mitsui Chemicals: 1 patents #1,270 of 2,279Top 60%
Overall (All Time): #390,371 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
5955209 Thin-film electroluminescent device Hideyuki Murata, Takahiro Fujiyama, Shogo SAITO, Tetsuo Tsutsui 1999-09-21
5776365 Carboxylate compounds, liquid crystal materials, liquid crystal compositions and liquid crystal elements Yuuichirou Tatsuki, Shinichi Nishiyama, Junichi Kawabata, Chiho Tanaka 1998-07-07
5725798 Carboxylate compounds, liquid crystal materials liquid crystal compositions and liquid crystal elements Yuuichirou Tatsuki, Shinichi Nishiyama, Junichi Kawabata, Chiho Tanaka 1998-03-10
5445888 Hydrazine compound, process for the preparation of the same, and nonlinear optical organic material Tsuneaki Koike, Hideo Hama 1995-08-29
5389287 Antiferroelectric liquid crystal composite material, process for preparing the same, and liquid crystal element using the same Shinichi Nishiyama, Mitsuko Nagai, Hideo Hama 1995-02-14
5356561 Carboxylate compounds, liquid crystal compositions and liquid crystal elements containing said compounds and method of optical modulation using said elements Toyoji Shimizu, Shinichi Nishiyama, Nobuyuki Doi, Shoichi Miyakoshi, Katsuo Taniguchi +1 more 1994-10-18
5352379 Liquid crystal composition, liquid crystal element and process for the preparation of liquid crystal element Shinichi Nishiyama, Hideo Hama, Yukio Miyachi 1994-10-04
5294366 Carboxylate compounds, liquid crystal compositions containing said compounds and liquid crystal element Toyozi Shimizu, Hideo Yamaoka, Shinichi Nishiyama, Shoichi Miyakoshi, Nobuyuki Doi 1994-03-15
5246622 Liquid crystal racemic mixture, liquid crystal composition and liquid crystal element, process for manufacturing liquid crystal element, and uses of liquid crystal element Toyoji Shimizu, Katsuo Taniguchi, Shinichi Nishiyama, Shoichi Miyakoshi, Nobuyuki Doi +1 more 1993-09-21
5141668 Naphthalene compound and liquid crystal composition containing the same Shinichi Nishiyama, Hideo Yamaoka 1992-08-25
5118586 Photo-recording media and photo-recording method Yukari Hattori, Junichi Yoshitake 1992-06-02
5053164 Substituted naphthalene compounds and liquid crystal compositions containing same Shinichi Nishiyama, Hideo Yamaoka, Tohru Yamada 1991-10-01
4943651 Novel substitued naphthalene compounds and liquid crystal compositions containing same Shinichi Nishiyama, Hideo Yamaoka, Tohru Yamada 1990-07-24