KO

Kensuke Ogawara

TO Tosoh: 10 patents #45 of 1,042Top 5%
TC Toso Susteel Co.: 4 patents #3 of 9Top 35%
HC Hodogaya Chemical Co.: 1 patents #201 of 359Top 60%
Overall (All Time): #528,019 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5258442 Polyphenylene sulfide resin composition Toshikazu Kato, Yasuhisa Ogita 1993-11-02
5151495 Process for producing poly (para-phenylene-sulfide) Hiroshi Inoue, Toshikazu Kato 1992-09-29
5097003 Process for producing polyphenylene sulfide ketone polymers Satoshi Tomagou, Toshikazu Kato 1992-03-17
5093467 Production of poly(arylene sulfide sulfone) with excess water to alkali metal sulfide Takehiko Sakane, Toshikazu Kato 1992-03-03
5037953 Process for producing poly (para-phenylene-sulfide) Hiroshi Inoue, Toshikazu Kato 1991-08-06
5032672 Process for preparing polyl(phenylene sulfide) Toshikazu Kato, Hiroshi Inoue 1991-07-16
4981947 Aromatic sulfideamide polymer and method for producing the same Satoshi Tomagou, Toshikazu Kato, Hiroshi Inoue 1991-01-01
4958003 Aromatic sulfideamide polymer and method for producing the same Satoshi Tomagou, Toshikazu Kato, Hiroshi Inoue 1990-09-18
4895959 Purification of N-methyl-2-pyrrolidone Toshikazu Kato, Hiroshi Inoue 1990-01-23
4883702 Polyphenylene sulfide resin composition useful for plating Masatoshi Sato, Noriaki Emura 1989-11-28