HF

Hirotsugu Fukuoka

Sumitomo Electric Industries: 2 patents #217 of 2,038Top 15%
Overall (1997): #38,608 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 Hideto Oka, Shigeru Muramatsu, Hiroshi Matsunaga, Masahiro Tsubokawa 1997-12-09
5685703 Hermetically sealed rotary compressor having an oil supply passage to the compression compartment Keisuke Morita, Hiroshi Matsunaga, Shigeru Muramatsu 1997-11-11