AY

Akifumi Yao

CL Central Glass Company, Limited: 1 patents #17 of 59Top 30%
TL Tokyo Electron Limited: 1 patents #241 of 733Top 35%
Overall (2018): #169,182 of 503,207Top 35%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9991138 Etching method and etching apparatus Jun LIN, Koji Takeya, Mitsuhiro Tachibana, Kunihiro Yamauchi, Tatsuo Miyazaki 2018-06-05
9929021 Dry etching method and dry etching agent Hiroyuki Oomori 2018-03-27