KT

Kazuo Takeda

Sumitomo Electric Industries: 2 patents #687 of 3,885Top 20%
Overall (2003): #57,850 of 273,478Top 25%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6646379 Metal vapor discharge lamp having cermet lead-in with improved luminous efficiency and flux rise time Hiroshi Nohara, Yoshiharu Nishiura, Shunsuke Kakisaka, Kenji Akiyoshi, Kouichi Sugimoto +2 more 2003-11-11
6639361 Metal halide lamp Yoshiharu Nishiura, Shiki Nakayama, Takashi Yamamoto 2003-10-28