YT

Yoshifumi Takeyama

Canon: 2 patents #612 of 2,505Top 25%
Overall (2002): #34,029 of 266,432Top 15%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6479744 Photovoltaic device module Koji Tsuzuki, Tsutomu Murakami, Koichi Shimizu 2002-11-12
6388187 Photovoltaic element module and its production method, and non-contact treatment method Tsunenobu Satoi, Shozo Kasai, Tsutomu Murakami, Masayuki Kusakari, Koji Tsuzuki +2 more 2002-05-14