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Yoshiharu Nishiura

Sumitomo Electric Industries: 3 patents #364 of 3,885Top 10%
Overall (2003): #18,779 of 273,478Top 7%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6650054 High-pressure discharge lamp and arc tube with long operating lifetime and high impact resistance Masanori Higashi, Takashi Maniwa 2003-11-18
6646379 Metal vapor discharge lamp having cermet lead-in with improved luminous efficiency and flux rise time Hiroshi Nohara, Shunsuke Kakisaka, Kazuo Takeda, Kenji Akiyoshi, Kouichi Sugimoto +2 more 2003-11-11
6639361 Metal halide lamp Kazuo Takeda, Shiki Nakayama, Takashi Yamamoto 2003-10-28