HO

Hideto Oka

Sumitomo Electric Industries: 2 patents #217 of 2,038Top 15%
📍 Moriyama, JP: #11 of 169 inventorsTop 7%
Overall (1997): #38,153 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5695326 Compressor for a refrigeration machine having a thrust bearing Shigeru Muramatsu, Hirotsugu Fukuoka, Hiroshi Matsunaga, Masahiro Tsubokawa 1997-12-09
5591018 Hermetic scroll compressor having a pumped fluid motor cooling means and an oil collection pan Yoshiharu Takeuchi, Toshiharu Yasu, Manabu Sakai, Masahiro Tsubokawa, Osamu Aiba 1997-01-07