Inventor
YOKOYAMA SHIN-ICHIRO
JP4 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA SHIN-ICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI METALS LTD
2 patentsUS6255005B1Jul 3, 2001
Composite magnetic member, method of producing ferromagnetic portion of same, and method of forming non-magnetic portion of same
HITACHI METALS LTD33 citations89
US6245441B1Jun 12, 2001
Composite magnetic member excellent in corrosion resistance and method of producing the same
HITACHI METALS LTD9 citations71