Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7459327 | Method for manufacturing micro lenses including underlayer film and lens film etching steps | Seiji Kai, Ryouji Matsui, Tetsuya Yamada, Tsutomu Imai | 2008-12-02 |
| 6995915 | Manufacturing method of micro-lens, manufacturing method of solid-state image pickup device and solid-state image pickup device | Ryoji Matsui, Tetsuya Yamada, Tsutomu Imai, Seiji Kai, Yuko Tanaka | 2006-02-07 |