Inventor
SAKURAI WATARU
JP58 patents
⚠️ This page may combine multiple inventors who share the name “SAKURAI WATARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
24 patentsUS6719927B2Apr 13, 2004
Optical connector ferrule, mold therefor, method of manufacturing optical connector ferrule, and method of inspecting optical connector ferrule
SUMITOMO ELECTRIC INDUSTRIES72 citations98
US6340247B1Jan 22, 2002
Ferrule for optical connector, mold for ferrule, method of manufacturing ferrule for optical connector, and method of testing ferrule for optical connector
SUMITOMO ELECTRIC INDUSTRIES62 citations96
US6287017B1Sep 11, 2001
Optical connector ferrule, method of manufacturing the same, and optical connector using the same
SUMITOMO ELECTRIC INDUSTRIES62 citations96
US6074577AJun 13, 2000
Method of molding an optical connector ferrule
SUMITOMO ELECTRIC INDUSTRIES42 citations93
US8021057B2Sep 20, 2011
Optical module and cable unit provided with optical module
SUMITOMO ELECTRIC INDUSTRIES23 citations92
US7665905B2Feb 23, 2010
Optical module and method for making the same
SUMITOMO ELECTRIC INDUSTRIES10 citations84
US7618200B2Nov 17, 2009
Photoelectric coupling assembly and manufacturing method thereof
SUMITOMO ELECTRIC INDUSTRIES8 citations84
US7301139B1Nov 27, 2007
Photoelectric coupling assembly and method of manufacture thereof
SUMITOMO ELECTRIC INDUSTRIES13 citations84
US6616343B2Sep 9, 2003
Multichannel ferrule for optical connector
SUMITOMO ELECTRIC INDUSTRIES17 citations84
US7988368B2Aug 2, 2011
Optical connector
SUMITOMO ELECTRIC INDUSTRIES17 citations83
US7722260B2May 25, 2010
Optical connector and method for assembling optical connector
SUMITOMO ELECTRIC INDUSTRIES8 citations83
US7350983B2Apr 1, 2008
Photoelectric coupling assembly and method of coupling optical fibers and light receiving/emitting elements
SUMITOMO ELECTRIC INDUSTRIES15 citations80
US6478476B1Nov 12, 2002
Part for positioning optical fiber
SUMITOMO ELECTRIC INDUSTRIES10 citations74
US7410303B2Aug 12, 2008
Method and metal mold for manufacturing optical connector ferrule, optical connector ferrule manufactured by using the method, and optical connector and optical wiring system using the ferrule
SUMITOMO ELECTRIC INDUSTRIES8 citations73
US8985873B2Mar 24, 2015
Connector component
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US7957616B2Jun 7, 2011
Method of producing an optical connecting component, and optical connecting component
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US7771130B2Aug 10, 2010
Method of producing optical fiber positioning component, and optical fiber positioning component
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US7712975B2May 11, 2010
Photoelectric coupling assembly and manufacturing method thereof
SUMITOMO ELECTRIC INDUSTRIES3 citations63
US7401983B2Jul 22, 2008
Method for manufacturing optical coupling part and optical coupling part
SUMITOMO ELECTRIC INDUSTRIES3 citations63
US7364369B2Apr 29, 2008
Lead frame, optical coupling part using lead frame, and manufacturing method of optical coupling part
SUMITOMO ELECTRIC INDUSTRIES5 citations63
US7717623B2May 18, 2010
Optical connector and optical connector assembling method
SUMITOMO ELECTRIC INDUSTRIES7 citations62
US7512307B2Mar 31, 2009
Method of making optical connector ferrule, die for making optical connector ferrule, optical connector ferrule made by this method, and optical connector and optical wiring system using the same
SUMITOMO ELECTRIC INDUSTRIES2 citations62
US7822307B1Oct 26, 2010
Optical fiber ribbon for wiring of equipment and connector-attached optical fiber ribbon for wiring of equipment
SUMITOMO ELECTRIC INDUSTRIES2 citations60
US11411381B2Aug 9, 2022
Wire and mold-member assembly and cable with connector
SUMITOMO ELECTRIC INDUSTRIES1 citations57
TOSHIBA TEC KK
10 patentsUS10853595B2Dec 1, 2020
Reading apparatus
TOSHIBA TEC KK2 citations73
US10210359B2Feb 19, 2019
Reading apparatus
TOSHIBA TEC KK3 citations73
US12112226B2Oct 8, 2024
Wireless tag reading apparatus, storage medium, and method
TOSHIBA TEC KK2 citations71
US11321696B2May 3, 2022
Commodity registration device with wireless tag reader and optical reading unit
TOSHIBA TEC KK2 citations71
US11599735B2Mar 7, 2023
Wireless tag reader and basket device
TOSHIBA TEC KK0 citations63
US11521001B2Dec 6, 2022
Radio tag reading device
TOSHIBA TEC KK0 citations62
US12277473B2Apr 15, 2025
Wireless tag reading apparatus
TOSHIBA TEC KK0 citations61
US12475337B2Nov 18, 2025
Wireless tag reading apparatus, storage medium, and method
TOSHIBA TEC KK0 citations60
US12086673B2Sep 10, 2024
Wireless tag reading apparatus
TOSHIBA TEC KK0 citations60
US11783311B2Oct 10, 2023
Commodity registration device with wireless tag reader and optical reading unit
TOSHIBA TEC KK0 citations60
HITACHI LTD
5 patentsUS6477619B1Nov 5, 2002
Disk array controller, its disk array control unit, and increase method of the unit
HITACHI LTD71 citations96
US6647461B2Nov 11, 2003
Disk array controller, its disk array control unit, and increase method of the unit
HITACHI LTD20 citations93
US6519680B2Feb 11, 2003
Disk array controller, its disk array control unit, and increase method of the unit
HITACHI LTD16 citations93
US5594756AJan 14, 1997
Decision feedback equalization circuit
HITACHI LTD19 citations84
US6985989B2Jan 10, 2006
Storage apparatus having plural controller including interconnected memories
HITACHI LTD9 citations74
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
3 patentsUS5641996AJun 24, 1997
Semiconductor unit package, semiconductor unit packaging method, and encapsulant for use in semiconductor unit packaging
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD190 citations97
US4339708AJul 13, 1982
Testing apparatus for dielectric breakdown caused by tracking phenomena
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations66
US4189639AFeb 19, 1980
Process for analyzing charged particles
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations61
SAKURAI WATARU
3 patentsTAMURA MITSUAKI
2 patentsMABUCHI MOTOR CO
1 patentSAITO KAZUHITO
1 patentJAPAN AVIATION ELECTRON
1 patentShowing the top 50 of 58 patents by PatentIndex Score.