JA

Junichiro Ando

YC Yamaguchi Seiken Kogyo Co.: 2 patents #4 of 10Top 40%
JC Japan Petroleum Exploration Co.: 1 patents #32 of 93Top 35%
Overall (All Time): #1,464,759 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10233357 Polishing composition for magnetic disc substrate 2019-03-19
10233358 Polishing composition for magnetic disc substrate 2019-03-19
9417008 Production method and production system for natural gas Tomonori Ikeno, Kazumoto Chiba, Toshiya Wakatsuki, Yusuke Takeuchi, Kazutoshi Chaki 2016-08-16