IA

Izumi Akashi

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,617,066 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6414426 High-efficiency light source Masanori Shimizu, Shoetsu Sakamoto 2002-07-02
5662403 Luminaire for interior lighting Yukio Akashi, Yoshinori Tanabe, Kenji Mukai 1997-09-02
5450297 Refrigerator lighting Yukio Akashi 1995-09-12