YS

Yoko Shimomura

Sumitomo Electric Industries: 2 patents #693 of 4,178Top 20%
Overall (2004): #33,476 of 270,089Top 15%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6817735 Illumination light source Masanori Shimizu, Hideo Nagai, Tetsushi Tamura, Nobuyuki Matsui 2004-11-16
6809479 Self-ballasted electrodeless discharge lamp and electrodeless discharge lamp operating device Koji Miyazaki, Satoshi Kominami, Kohei Enchi, Hiroyuki Uchiyama 2004-10-26