TT

Takafumi Takegawa

SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
📍 Himeji, JP: #968 of 1,500 inventorsTop 65%
Overall (All Time): #4,021,665 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4541847 Air-purifying apparatus Naoyuki Oie, Hiromichi Koyama 1985-09-17