Koichi Hashida

Sumitomo Electric Industries: 2 patents #217 of 2,038Top 15%

📍 Kasai, JP: #53 of 524 inventorsTop 15%

Overall (1997): #32,889 of 185,788Top 20%

Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5638861	Changeover valve and flow control valve assembly having the same	—	1997-06-17
5609400	Three position solenoid controlled valve	—	1997-03-11