RK

Ryuichi Kawachi

TW The Japan Steel Works: 3 patents #88 of 643Top 15%
YC Yachiyo Industry Co.: 3 patents #25 of 139Top 20%
Overall (All Time): #1,507,577 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9463602 Production method for hollow molded product Takatoshi Watanabe, Satoru Araya, Masahiro Niihori, Wataru Iwase, Naoya Tabuchi +5 more 2016-10-11
9358740 Production apparatus for producing hollow molded product Takatoshi Watanabe, Satoru Araya, Masahiro Niihori, Wataru Iwase, Naoya Tabuchi +5 more 2016-06-07
8899954 Crosshead Yuji Ito, Naoto Saito, Yukio Fujiwara, Satoru Araya, Kazuhiro Ohtaki +4 more 2014-12-02