TM

Takeshi Matsumura

Sumitomo Electric Industries: 1 patents #327 of 1,127Top 30%
📍 Numazu, MO: #1 of 1 inventorsTop 100%
Overall (1989): #53,006 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D302733 Compact self-ballasted fluorescent lamp Masashi Sangen, Naoyuki Nakamura 1989-08-08