Inventor
ABE TOSHIHARU
JP4 patents
⚠️ This page may combine multiple inventors who share the name “ABE TOSHIHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO METAL IND
3 patentsUS6958099B2Oct 25, 2005
High toughness steel material and method of producing steel pipes using same
SUMITOMO METAL IND80 citations96
US6692592B2Feb 17, 2004
Method for manufacturing high chromium system seamless steel pipe
SUMITOMO METAL IND4 citations58
US7799149B2Sep 21, 2010
Oil country tubular good for expansion in well and manufacturing method thereof
SUMITOMO METAL IND0 citations49