KM

Koichi Matsuda

Canon: 3 patents #195 of 1,756Top 15%
Overall (1994): #11,198 of 165,921Top 7%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5324364 Pin junction photovoltaic device having an i-type a-SiGe semiconductor layer with a maximal point for the Ge content Masafumi Sano, Tsutomu Murakami 1994-06-28
5279679 Multi-layered photovoltaic element having at least three unit cells Tsutomu Murakami, Jinsho Matsuyama, Hiroshi Yamamoto, Toshihiro Yamashita 1994-01-18
5279681 Photovoltaic device with layer region containing germanium therin Tsutomu Murakami, Jinsho Matsuyama, Naoto Okada, Toshihiro Yamashita 1994-01-18