YI

Yoshizumi Ishikawa

SC Sumitomo Osaka Cement Co.: 2 patents #15 of 56Top 30%
Overall (2018): #87,710 of 503,207Top 20%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10088698 Optical device Shingo Takano 2018-10-02
9977270 Optical device Youichi Hosokawa, Masayuki Motoya, Satoshi Oikawa 2018-05-22