KO

Keiko Oyabu

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
📍 Yasu, JP: #48 of 107 inventorsTop 45%
Overall (All Time): #2,226,126 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6227001 Separate type air conditioner Taii Tsuji, Masami Hayashi 2001-05-08
6094928 Outdoor unit of separate type air conditioner Mitsuo Nakanuma, Koji Hatano 2000-08-01