SM

Seiji Mishima

Canon: 1 patents #772 of 1,756Top 45%
Overall (1994): #69,983 of 165,921Top 45%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5369719 Optical device with an optical coupler for effecting light branching and/or combining and an optical amplifier Yuichi Handa 1994-11-29