Inventor
KOHARA SEIICHI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “KOHARA SEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO SPEC METALS
9 patentsUS6481993B1Nov 19, 2002
Process and apparatus for supplying rare earth metal-based alloy powder
SUMITOMO SPEC METALS17 citations92
US6299832B1Oct 9, 2001
Process and apparatus for supplying rare earth metal-based alloy powder
SUMITOMO SPEC METALS16 citations92
US5575830ANov 19, 1996
Fabrication methods and equipment for granulated powders
SUMITOMO SPEC METALS32 citations91
US6482349B1Nov 19, 2002
Powder pressing apparatus and powder pressing method
SUMITOMO SPEC METALS11 citations73
US6649124B2Nov 18, 2003
Powder pressing apparatus and powder pressing method
SUMITOMO SPEC METALS6 citations72
US5662943ASep 2, 1997
Fabrication methods and equipment for granulated powders
SUMITOMO SPEC METALS10 citations72
US6656417B2Dec 2, 2003
Punch, powder pressing apparatus and powder pressing method
SUMITOMO SPEC METALS8 citations71
US6332932B1Dec 25, 2001
Punch, powder pressing apparatus and powder pressing method
SUMITOMO SPEC METALS11 citations71
US6755883B2Jun 29, 2004
Punch, powder pressing apparatus and powder pressing method
SUMITOMO SPEC METALS1 citations60