YT

Yoshitoki Tsubokawa

YK Yoshida Kogyo K.K.: 7 patents #54 of 468Top 15%
📍 Kurobe, JP: #25 of 165 inventorsTop 20%
Overall (All Time): #769,024 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
4724586 Water-resistant slide fastener and method of manufacturing the same Koichi Tanikawa 1988-02-16
4718149 Slide fastener 1988-01-12
4675950 Slide fastener suitable for use on articles made of plastics material 1987-06-30
4651389 Slide fastener Hiroshi Yoshida 1987-03-24
4619023 Slide fastener 1986-10-28
4601085 Water-resistant slide fastener stringer Hiroshi Yoshida 1986-07-22
4566156 Slide fastener Hirotaka Sarasue 1986-01-28