RI

Riichi Iwa

NM Nippon Mektron: 9 patents #15 of 286Top 6%
TI The Central Synthetic Rubbers Research Institute: 4 patents #3 of 18Top 20%
📍 Kitaibaraki, JP: #22 of 145 inventorsTop 20%
Overall (All Time): #589,954 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5942598 Perfluoroalkyleneethertriazine oligomer and process for producing the same Haruyoshi Tatsu, Sokolov Sergey Vasilyevich, Kollar Alexander Nikolaevich 1999-08-24
5789532 Perfluoroalkyleneethertriazine oligomer and process for producing the same Haruyoshi Tatsu, Sokolov Sergey Vasilyevich, Kollar Alexander Nikolaevich 1998-08-04
5783659 Perfluoroalkyleneethertriazine oligomer and process for producing the same Haruyoshi Tatsu, Sokolov Sergey Vasilyevich, Kollar Alexander Nikolaevich 1998-07-21
5767204 Fluorine-containing elastomer composition Haruyoshi Tatsu, Volkova Margarita Alexeevna, Rondarev Dmitrii Stefanovich, Sokolov Sergey Vasilyevich, Greenblat Mark Peysakhovich +1 more 1998-06-16
5763699 Process for preparing 2,2-diphenylhexafluoropropanes Lev Solomonovich German, deceased, Valerii Romanovich Polishchuk, deceased, Haruyoshi Tatsu 1998-06-09
5736614 Perfluoro unsaturated nitrile compound and process for producing the same Satoru Saito, Haruyoshi Tatsu, Rondarev Dmitrii Stefanovich, Sokolov Sergey Vasilyevich, Berenblit Vsevolod Vulfovich 1998-04-07
5717037 Process for producing perfluoro unsaturated nitrile compounds Satoru Saito, Haruyoshi Tatsu, Rondarev Dmitrii Stefanovich, Sokolov Sergey Vasilyevich, Berenblit Vsevolod Vulfovich 1998-02-10
5681921 Perfluoroalkyleneethertriazine oligomer and process for producing the same Haruyoshi Tatsu, Sokolov Sergey Vasilyevich, Kollar Alexander Nikolaevich 1997-10-28
5679851 Perfluoro unsaturated nitrile compound and process for producing the same Satoru Saito, Haruyoshi Tatsu, Rondarev Dmitrii Stefanovich, Sokolov Sergey Vasilyevich, Berenblit Vsevolod Vulfovich 1997-10-21