KO

Katsutoshi Ogawa

Sumitomo Electric Industries: 2 patents #217 of 2,038Top 15%
Overall (1997): #34,064 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5648839 Image forming apparatus Toshiharu Koshino, Kazumasa Hayashi, Hiroshi Komakine, Kenji Asakura 1997-07-15
5640648 Electrophotographic apparatus having sealing member Hiroshi Komakine, Kazumasa Hayashi, Kenji Asakura, Toshiharu Koshino 1997-06-17