KO

Kazuo Ozora

OI Oiles: 2 patents #84 of 253Top 35%
Overall (All Time): #2,318,412 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5065493 Method of making a spherical sealing body used for exhaust pipe joint — 1991-11-19
5040805 Spherical sealing body used for exhaust pipe joint and manufacturing method thereof — 1991-08-20