TK

Toshizo Kobayashi

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,592,082 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7057347 Electrode, manufacturing method thereof, and metal vapor discharge lamp Tatsuya Kawamura, Hiroshi Enami, Yoshiharu Nishiura, Takaharu Yanata 2006-06-06
7018260 Electrode, manufacturing method thereof, and metal vapor discharge lamp Tatsuya Kawamura, Hiroshi Enami, Yoshiharu Nishiura, Takaharu Yanata 2006-03-28
6805603 Electrode, manufacturing method thereof, and metal vapor discharge lamp Tatsuya Kawamura, Hiroshi Enami, Yoshiharu Nishiura, Takaharu Yanata 2004-10-19