YK

Yoshinobu Kumakawa

KC Kanai Co.: 3 patents #4 of 6Top 70%
SC Sumitomo Forestry Co.: 3 patents #6 of 37Top 20%
Overall (All Time): #1,528,081 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D708935 Beam joint hardware Junichi Imai, Kunio Kanai, Masayoshi Nakamura 2014-07-15
D700506 Beam joint hardware Junichi Imai, Kunio Kanai, Masayoshi Nakamura 2014-03-04
8511033 Beam-column connection structure of continued beam connection portion Junichi Imai, Kunio Kanai, Masayoshi Nakamura 2013-08-20