TR

Takahiro Roppongi

SC Senju Metal Industry Co.: 2 patents #9 of 53Top 20%
📍 Tochigi, JP: #78 of 339 inventorsTop 25%
Overall (2017): #100,865 of 506,227Top 20%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9802251 Ni ball, Ni core ball, solder joint, solder paste, and solder foam Hiroyoshi Kawasaki, Takashi Akagawa, Yuichi Koikeda, Atsushi Ikeda, Masaru Sasaki +2 more 2017-10-31
9668358 Cu ball Hiroyoshi Kawasaki, Takahiro Hattori, Daisuke Soma, Isamu Sato 2017-05-30