KO

Kazuaki Ohkubo

Sumitomo Electric Industries: 1 patents #1,140 of 3,352Top 35%
Overall (2002): #179,023 of 266,432Top 70%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6445118 Lamp having conductor structure and non-conductor structure provided between filaments Masanori Shimizu, Takeshi Arakawa, Yoshinori Tanabe, Kenjiro Hashimoto, Yoko Shimomura 2002-09-03