AK

Akira Koshiishi

TL Tokyo Electron Limited: 2 patents #58 of 413Top 15%
📍 Nirasaki, CA: #1 of 1 inventorsTop 100%
Overall (2002): #74,801 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6426477 Plasma processing method and apparatus for eliminating damages in a plasma process of a substrate Chishio Koshimizu, Jun Ooyabu, Hideki Takeuchi 2002-07-30
6423242 Etching method Masayuki Kojima, Yoshifumi Tahara, Masayuki Tomoyasu 2002-07-23