TH

Takayuki Higashii

SC Sumitomo Chemical: 41 patents #28 of 4,033Top 1%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
NM Nippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
📍 Kishiwada, NY: #1 of 1 inventorsTop 100%
Overall (All Time): #73,696 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 1–25 of 42 patents

Patent #TitleCo-InventorsDate
9636628 Aqueous solution which efficiently absorbs and recovers carbon dioxide in exhaust gas, and method for recovering carbon dioxide using same Firoz Alam Chowdhury, Kazuya Goto, Masami Onoda, Yoichi Matsuzaki 2017-05-02
7279537 Transition metal complexes and polymerization catalysts Yuka Otomaru, Hidenori Hanaoka 2007-10-09
6930189 Chiral ligand Heikki Hassila 2005-08-16
6894190 Process for producing optically active 3,3,3-trifluoro-2-hydroxy-2-methylpropionic acid, and salt thereof Miyuki Oikawa, Hideki Ushio, Isao Kurimoto 2005-05-17
6762306 Chiral ligand Heikki Hassila 2004-07-13
6653507 Process for producing optically active 3,3,3-trifluoro-2-hydroxy-2-methylpropionic acid, and salt thereof Miyuki Oikawa, Hideki Ushio, Isao Kurimoto 2003-11-25
6403832 Process for producing optically active 3,3,3-Trifluoro-2-Hydroxy-2-Methylpropionic acid, and salt thereof Miyuki Oikawa, Hideki Ushio, Isao Kurimoto 2002-06-11
6277998 Production process and intermediate of tetrazole compound Hideki Ushio, Masayoshi Minai, Akihiko Nakamura 2001-08-21
6191289 Production process and intermediate of tetrazole compound Hideki Ushio, Masayoshi Minai, Akihiko Nakamura 2001-02-20
6030546 Trans-olefin compounds, method for production thereof, liquid crystal composition containing the same as active ingredient, and liquid crystal element using said composition Yukari Fujimoto, Naoyuki Takano, Masayoshi Minai, Chizu Sekine, Kayoko Ueda +3 more 2000-02-29
5874593 Production process and intermediate of tetrazole compound Hideki Ushio, Masayoshi Minai, Akihiko Nakamura 1999-02-23
5779934 Fluorine-containing optically active compound, process for preparing the same and liquid crystal mixture and liquid crystal element comprising the same Yukari Fujimoto, Tsutomu Matsumoto, Masayoshi Minai, Chizu Sekine, Kyoko Endo +1 more 1998-07-14
5741438 Optically active biphenyl derivative, process for preparation thereof, liquid crystal composition containing the same as an effective component, and liquid crystal element using the same Isao Kurimoto, Shoji Toda, Masayoshi Minai, Chizu Sekine, Takeshi Tani 1998-04-21
5723610 Alcohol reactants for forming phenylpyrimidine derivatives and process for preparing said alcohols Masayoshi Minai, Isao Kurimoto, Shoji Toda, Takeshi Tani, Chizu Sekine +1 more 1998-03-03
5707547 Trans-olefin compounds, method for production thereof, liquid crystal composition containing the same as active ingredient, and liquid crystal element using said composition Yukari Fujimoto, Naoyuki Takano, Masayoshi Minai, Chizu Sekine, Kayoko Ueda +3 more 1998-01-13
5693251 Optically active benzene derivatives, process for producing the same and liquid-crystalline composition containing said derivatives as liquid-crystalline compound and light switching elements Isao Kurimoto, Shoji Toda, Masayoshi Minai, Takeshi Tani, Chizu Kawakami +1 more 1997-12-02
5662828 Compound having unsaturated side chain, process for preparing the same, liquid crystalline polymer prepared from the same, liquid crystal mixture and display element Yoshiaki Tsubata, Kayoko Ueda, Koichi Fujisawa, Masayoshi Minai, Naoyuki Takano +1 more 1997-09-02
5658489 Diphenylacetylene compound, process for preparing the same and liquid crystal composition and element comprising the same Yukari Fujimoto, Masayoshi Minai, Tsutomu Matsumoto 1997-08-19
5659051 Process of producing 2-cyano-4-oxo-4H-benzopyran compounds Hideki Ushio, Yukari Fujimoto, Tsutomu Matsumoto, Masayoshi Minai, Katsuichi Yasunaga +2 more 1997-08-19
5637736 Process for preparing 1-bromoalkylbenzene derivatives and intermediates thereof Hiroaki Fujishima, Yasunobu Miyamoto, Masayoshi Minai, Tsutomu Matsumoto, Hideki Ushio 1997-06-10
5597929 Production process of 2-(tetrazol-5-yl)-4-oxo-4H-benzopyran Hideki Ushio 1997-01-28
5554317 Compound having unsaturated side chain, process for preparing the same, liquid crystalline polymer prepared from the same, liquid crystal mixture and display element Yoshiaki Tsubata, Kayoko Ueda, Koichi Fujisawa, Masayoshi Minai, Naoyuki Takano +1 more 1996-09-10
5545345 Liquid crystal mixture and liquid crystal element comprsing the same Chizu Sekine, Takeshi Tani, Kayoko Ueda, Koichi Fujisawa, Yukari Fujimoto +2 more 1996-08-13
5539115 Phenylpyrimidine derivatives, process for preparing the same, liquid crystal composition containing said derivatives as active ingredient, and liquid crystal elements using such compositions Masayoshi Minai, Isao Kurimoto, Shoji Toda, Takeshi Tani, Chizu Sekine +1 more 1996-07-23
5534188 Acetylene derivatives, process for producing the same, liquid crystal composition containing the same as an active ingredient, and liquid crystal element using said liquid crystal composition Masayoshi Minai, Shoji Toda, Naoyuki Takano, Kayoko Ueda, Koichi Fujisawa 1996-07-09