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Inventor

SUGITA ETSUJI

JP13 patents
⚠️ This page may combine multiple inventors who share the name “SUGITA ETSUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

10 patents
US5673346ASep 30, 1997

Optical jack for plug-jack optical connector

NIPPON TELEGRAPH & TELEPHONE138 citations97
US5121454AJun 9, 1992

Optical connector

NIPPON TELEGRAPH & TELEPHONE101 citations96
US5016970AMay 21, 1991

Ferrule for optical fiber transmitting linearly polarized light and optical fiber connector using this ferrule

NIPPON TELEGRAPH & TELEPHONE67 citations96
US4895425AJan 23, 1990

Plug-in optical fiber connector

NIPPON TELEGRAPH & TELEPHONE59 citations96
US5220703AJun 22, 1993

Combination of optical connector cleaner and holder jig

NIPPON TELEGRAPH & TELEPHONE101 citations95
US5117528AJun 2, 1992

Optical connector cleaner

NIPPON TELEGRAPH & TELEPHONE62 citations95
US5537501AJul 16, 1996

Optical connector

NIPPON TELEGRAPH & TELEPHONE66 citations94
US5528711AJun 18, 1996

Optical connector for connecting a plurality of optical plugs to a connector housing

NIPPON TELEGRAPH & TELEPHONE34 citations92
US5404416AApr 4, 1995

Optical connector plug

NIPPON TELEGRAPH & TELEPHONE24 citations92
US5103680AApr 14, 1992

Method of testing split ceramic alignment sleeve and apparatus therefor

NIPPON TELEGRAPH & TELEPHONE5 citations62

YKK CORP

2 patents
US6896417B2May 24, 2005

Hollow cast article with slit, method and apparatus for production thereof

YKK CORP8 citations74
US6695487B2Feb 24, 2004

Conversion adapter for ferrules having different diameters and method for production thereof

YKK CORP3 citations62

NTT ADVANCED TECH KK

1 patent
US6466723B2Oct 15, 2002

Cleaning tool for optical fiber connectors

NTT ADVANCED TECH KK27 citations89