SN

Shiki Nakayama

Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
PA Panasonic: 4 patents #6,180 of 21,108Top 30%
📍 Ibaraki, JP: #1,034 of 6,779 inventorsTop 20%
Overall (All Time): #523,716 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6713962 High-pressure discharge lamp Hiroshi Nohara, Yoshiharu Nishiura, Takashi Maniwa, Hiroshi Enami, Masato Wada 2004-03-30
6646379 Metal vapor discharge lamp having cermet lead-in with improved luminous efficiency and flux rise time Hiroshi Nohara, Yoshiharu Nishiura, Shunsuke Kakisaka, Kazuo Takeda, Kenji Akiyoshi +2 more 2003-11-11
6639361 Metal halide lamp Kazuo Takeda, Yoshiharu Nishiura, Takashi Yamamoto 2003-10-28
6483230 High pressure metallic vapor discharge lamp Shigefumi Oda, Hiroshi Nohara, Yoshiharu Nishiura, Takashi Yamamoto, Masanori Higashi 2002-11-19
6469442 Metal vapor discharge lamp Shunsuke Kakisaka, Shigefumi Oda, Takashi Yamamoto, Hiroshi Nohara 2002-10-22
6342764 High pressure discharge lamp Yoshiharu Nishiura, Takashi Yamamoto, Kazuo Takeda, Hiroshi Nohara 2002-01-29
6208070 Metal vapor discharged lamp with specific angle between electrodes and tapered envelope wall Kouichi Sugimoto, Hiroshi Nohara, Yoshiharu Nishiura, Kazuo Takeda, Takashi Yamamoto 2001-03-27
6137229 Metal halide lamp with specific dimension of the discharge tube Yoshiharu Nishiura, Kazuo Takeda, Hiroshi Nohara, Kouichi Sugimoto, Takashi Yamamoto 2000-10-24
6054810 Metal halide lamp having a ceramic discharge tube Takashi Yamamoto, Hiroshi Nohara, Kouichi Sugimoto, Kazuo Takeda, Shigefumi Oda +1 more 2000-04-25
5994839 High-pressure metal vapor discharge lamp Takashi Yamamoto, Hiroshi Nohara, Yoshiharu Nishiura, Shigefumi Oda 1999-11-30