KT

Kazuyuki Takegawa

SC Sanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%
📍 Ichinomiya, JP: #178 of 372 inventorsTop 50%
Overall (All Time): #2,151,981 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
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