KM

Kazuo Matsumaru

TC Tokyo Rope Mfg. Co.: 5 patents #6 of 144Top 5%
Overall (All Time): #1,051,243 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5956935 High tensile steel filament member for rubber product reinforcement Masaki Katayama, Yoshiyuki Oguro 1999-09-28
5722226 Steel cord for reinforcement of off-road tire, method of manufacturing the same, and off-road tire 1998-03-03
5707467 Steel cords, radial tire reinforced with same, and apparatus for producing same Koichi Horikawa 1998-01-13
5661966 Steel cord for reinforcement of off-road tire, method of manufacturing the same, and off-road tire 1997-09-02
5609014 Rubber reinforcing steel cord Tamio Obara 1997-03-11