Inventor
KOYAMA YUJI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TAMAI SHIGERU
5 patentsUS9127404B2Sep 8, 2015
Used paper recycling apparatus and its constituent devices
TAMAI SHIGERU30 citations93
US8449722B2May 28, 2013
Used paper recycling apparatus and its constitutent devices
TAMAI SHIGERU4 citations62
US8313616B2Nov 20, 2012
Used paper recycling apparatus and its constituent devices
TAMAI SHIGERU1 citations51
US8273217B2Sep 25, 2012
Paper machine for used paper recycling apparatus
TAMAI SHIGERU1 citations51
US8262863B2Sep 11, 2012
Paper machine for used paper recycling apparatus
TAMAI SHIGERU1 citations51
NIPPON STEEL CORP
4 patentsUS6645318B2Nov 11, 2003
Fuel tank made of ferritic stainless steel
NIPPON STEEL CORP31 citations92
US6585799B1Jul 1, 2003
Cast steel piece and steel product excellent in forming characteristics and method for treatment of molted steel therefor and method for production thereof
NIPPON STEEL CORP15 citations90
US6918969B2Jul 19, 2005
Cast steel and steel material with excellent workability, method for processing molten steel therefor and method for manufacturing the cast steel and steel material
NIPPON STEEL CORP9 citations71
US5843370ADec 1, 1998
Ferritic stainless steel for exhaust system equipment of vehicle
NIPPON STEEL CORP5 citations63