TS

Tetsuro Sakamoto

NO Nippon Oil: 3 patents #192 of 773Top 25%
Overall (All Time): #1,651,876 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5443745 Lubricant for refrigerating machine Motoshi Sunami, Hiroshi Hasegawa 1995-08-22
5370809 Synthetic lubricating oils Noboru Ishida, Hiroshi Hasegawa 1994-12-06
5080816 Lubricant for refrigerating machine Motoshi Sunami, Hiroshi Hasegawa 1992-01-14