Nippon Steel Welding Products & Engineering Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5280552 Metal tube clad optical fiber cableJul 06, 92Jan 18, 94[G02B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6649872 Flux-cored wire for gas shielded arc weldingExpiredSep 20, 01Nov 18, 03[B23K]
6386364 Welding wire chargeExpiredSep 08, 99May 14, 02[B65D]
6140607 Gas shielded arc-welding flux cored wireExpiredJun 29, 99Oct 31, 00[B23K]
6079243 Method of production of welding wireExpiredNov 20, 98Jun 27, 00[B21B]
6062386 Bundled welding wire coil and method of bundlingExpiredDec 22, 98May 16, 00[B65D]
5968449 Iron base Si--Mn alloy or iron base Si--Mn--Ni alloy having good crushability and alloy powder thereofExpiredJan 20, 98Oct 19, 99[C22C]
5903814 Flux cored wires for gas shielded arc weldingExpiredJul 30, 97May 11, 99[B23K]
5821500 Process for manufacturing welding wireExpiredFeb 11, 97Oct 13, 98[B23K]
5474736 Methods for manufacturing tubes filled with powdery and granular substancesExpiredSep 23, 93Dec 12, 95[B22F]
5245740 Method and apparatus for passing threadlike pieces through tubular productsExpiredJul 15, 92Sep 21, 93[B23P]
5192016 Methods for manufacturing tubes filled with powdery and granular substancesExpiredFeb 21, 92Mar 09, 93[B23K]
5058259 Method and apparatus for passing threadlike pieces through tubular productsExpiredMar 24, 89Oct 22, 91[B23P]
5048798 Apparatus for inserting thread into tubeExpiredOct 30, 89Sep 17, 91[B66F]
4964791 Apparatus for manufacturing powderExpiredDec 05, 89Oct 23, 90[B01J, B22F]
4953827 Method for inserting thread into tubeExpiredFeb 14, 89Sep 04, 90[B66F]
4802270 Apparatus for passing optical fibers through tubular productsExpiredJan 04, 88Feb 07, 89[B23P]
4793048 Method for passing optical fibers through tubular products by vibrating the tubular productsExpiredFeb 05, 87Dec 27, 88[B23P]

Top Inventors for This Owner

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