TO

Takeshi Ohkuma

TI Takasago International: 6 patents #74 of 465Top 20%
KK Kanto Kagaku: 4 patents #21 of 181Top 15%
NI Nagoya Industrial Science Research Institute: 4 patents #2 of 79Top 3%
Kyocera: 3 patents #999 of 3,732Top 30%
NU National University Corporation Hokkaido University: 2 patents #130 of 825Top 20%
NC Nippon Soda Co.: 2 patents #207 of 648Top 35%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
JT Japan Science And Technology: 1 patents #225 of 836Top 30%
RJ Research Development Corporation Of Japan: 1 patents #170 of 402Top 45%
📍 Sapporo, JP: #3 of 6 inventorsTop 50%
Overall (All Time): #252,291 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
11228058 Flow battery, flow battery system, and control method 2022-01-18
11198607 Light absorbing member, member for hydrogen production, and hydrogen production apparatus Masahide Akiyama, Kohei Ono 2021-12-14
10343904 Member for hydrogen production and hydrogen production apparatus Masahide Akiyama 2019-07-09
10029969 Method of producing optically-active aldehyde Noriyoshi Arai, Kazuhiko Matsumura 2018-07-24
9328079 Process for producing optically active amine Noriyoshi Arai, Kazuhiko Matsumura 2016-05-03
9174906 Process for producing optically active secondary alcohol Takeaki Katayama, Kunihiko Tsutsumi, Kunihiko Murata, Noriyoshi Arai 2015-11-03
8759524 Production process of optically active 3-quinuclidinol derivative Noriyoshi Arai, Masaya Akashi, Hirohito Oooka, Tsutomu Inoue 2014-06-24
8436181 Production process of optically active 3-quinuclidinol derivative Noriyoshi Arai, Masaya Akashi, Hirohito Oooka, Tsutomu Inoue 2013-05-07
8163947 Cyanation catalyst and method for producing optically active cyanhydrin compound using the same Nobuhito Kurono 2012-04-24
7619125 Hydrogenation promoter, hydrogenation catalyst, and process for producing alkene compound Junichi Hori, Kunihiko Murata, Nobuhito Kurono, Ryoji Noyori 2009-11-17
7601667 Sulfonate catalyst and method of producing alcohol compound using the same Noriyuki Utsumi, Kunihiko Murata, Kunihiko Tsutsumi, Takeaki Katayama, Masahito Watanabe +1 more 2009-10-13
7378560 Ruthenium complex and process for producing tert-alkyl alcohol therewith Christian A. Sandoval, Ryoji Noyori 2008-05-27
6720439 Synthesis of ruthenium-hydride complexes and preparation procedures of chiral alcohols and ketones Masatoshi Koizumi, Kilian Muñiz, Ryoji Noyori 2004-04-13
6476278 Processes for the preparation of alcohols Hideyuki Ikehira, Kunihiko Murata, Eiji Katayama, Masami Kozawa, Toru Yokozawa +2 more 2002-11-05
5856590 Process for producing cis-4-t-butylcyclohexanol Makoto Emura, Takaaki Toyoda, Nobuo Seido, Ryoji Noyori, Takao Ikariya 1999-01-05
5763688 Method for producing an alcohol Takao Ikariya, Hirohito Ooka, Shohei Hashiguchi, Nobuo Seido, Ryoji Noyori 1998-06-09
5420306 Process for producing optically active .gamma.-butyrolactone derivatives Ryoji Noyori, Masato Kitamura, Noboru Sayo, Hidenori Kumobayashi 1995-05-30
4895979 Process for preparing carnitine Ryoji Noyori, Masato Kitamura, Hidenori Kumobayashi 1990-01-23