Inventor
YAMASHITA TAMOTSU
JP20 patents
⚠️ This page may combine multiple inventors who share the name “YAMASHITA TAMOTSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUIKEN CO LTD
5 patentsUS6622747B2Sep 23, 2003
Cutting, valve insertion and corrosion-resistant works without fluid supply interruption
SUIKEN CO LTD24 citations92
US6530389B2Mar 11, 2003
Existing pipe cut-off method, existing pipe slitting method, piping structure, and valve insertion method for inserting a valve in a line without stopping passage of water or fluid
SUIKEN CO LTD16 citations92
US6308726B2Oct 30, 2001
Valve insertion method and cutting tool
SUIKEN CO LTD23 citations92
US6470907B1Oct 29, 2002
Existing pipe cut-off method, existing pipe slitting method, piping structure, and valve insertion method for inserting a valve in a line without stopping passage of water or fluid
SUIKEN CO LTD25 citations89
US6615859B2Sep 9, 2003
Fluid supply interruption free method of construction
SUIKEN CO LTD15 citations84
SHOWA DENKO KK
5 patentsUS6221489B1Apr 24, 2001
Carbonaceous fiber acute-angled at both ends and production process therefor
SHOWA DENKO KK16 citations92
US6328947B1Dec 11, 2001
Method for producing fine particles of metal oxide
SHOWA DENKO KK51 citations91
US7465499B2Dec 16, 2008
Boron phosphide-based semiconductor device, production method thereof, light-emitting diode and boron phosphide-based semiconductor layer
SHOWA DENKO KK6 citations63
US7198733B2Apr 3, 2007
Formed substrate used for solid electrolytic capacitor, production method thereof and solid electrolytic capacitor using the substrate
SHOWA DENKO KK6 citations58
US6527988B1Mar 4, 2003
Process of making carbon fiber with sharp ends
SHOWA DENKO KK0 citations52
YAMASHITA TAMOTSU
3 patentsUS8118331B2Feb 21, 2012
Non-bolt joint structure and method for producing non-bolt joint structure
YAMASHITA TAMOTSU24 citations88
US8402992B2Mar 26, 2013
Branching unit for boring without stopping passage of fluid
YAMASHITA TAMOTSU4 citations58
US8156959B2Apr 17, 2012
Branching unit for boring without stopping passage of fluid
YAMASHITA TAMOTSU3 citations58