P

Inventor

MATSUURA HIROSHI

JP65 patents
⚠️ This page may combine multiple inventors who share the name “MATSUURA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FURUKAWA ELECTRIC CO LTD

16 patents
US7218811B2May 15, 2007

Optical module, and multi-core optical collimator and lens housing therefor

FURUKAWA ELECTRIC CO LTD81 citations96
US6782028B2Aug 24, 2004

Semiconductor laser device for use in a semiconductor laser module and an optical amplifier

FURUKAWA ELECTRIC CO LTD24 citations92
US7343068B2Mar 11, 2008

Optical module

FURUKAWA ELECTRIC CO LTD16 citations91
US6765935B2Jul 20, 2004

Semiconductor laser module, manufacturing method thereof and optical amplifier

FURUKAWA ELECTRIC CO LTD14 citations83
US6744944B2Jun 1, 2004

Optical coupling module having a first and second ferrules

FURUKAWA ELECTRIC CO LTD13 citations82
US6715929B2Apr 6, 2004

Optical multiplexing module and method of correcting optical axis thereof

FURUKAWA ELECTRIC CO LTD7 citations74
US6623175B2Sep 23, 2003

Optical connector ferrule

FURUKAWA ELECTRIC CO LTD9 citations74
US9140850B2Sep 22, 2015

Optical coupling structure and optical fiber amplifier

FURUKAWA ELECTRIC CO LTD5 citations73
US6721099B2Apr 13, 2004

Variable dispersion compensator

FURUKAWA ELECTRIC CO LTD8 citations70
US7327768B2Feb 5, 2008

Wavelength conversion module

FURUKAWA ELECTRIC CO LTD2 citations63
US6560379B2May 6, 2003

Variable optical filter unit and variable gain equalizing system

FURUKAWA ELECTRIC CO LTD5 citations63
US8861063B2Oct 14, 2014

Light control apparatus

FURUKAWA ELECTRIC CO LTD2 citations62
US6914921B2Jul 5, 2005

Optical filter, laser module, and wavelength locker module

FURUKAWA ELECTRIC CO LTD2 citations62
US9225141B2Dec 29, 2015

Multi-core amplification optical fiber and multi-core optical fiber amplifier

FURUKAWA ELECTRIC CO LTD3 citations61
US6909506B2Jun 21, 2005

Stokes parameter measurement device and method

FURUKAWA ELECTRIC CO LTD5 citations61
US6826323B2Nov 30, 2004

Optical circulator

FURUKAWA ELECTRIC CO LTD5 citations61

FUJI KIKO KK

12 patents

TOSHIBA KK

5 patents

ENEOS CORP

3 patents

MATSUURA HIROSHI

2 patents

NIPPON TELEGRAPH & TELEPHONE

2 patents

FUJIKOKO KABUSHIKI KAISHA

1 patent

KOBE STEEL LTD

1 patent

TOYODA AUTOMATIC LOOM WORKS

1 patent

TOKYO SHIBAURA ELECTRIC CO

1 patent

POWREX KK

1 patent

JXTG NIPPON OIL & ENERGY CORP

1 patent

JAPAN PULP & PAPER RES INC

1 patent

JUJO PAPER CO LTD

1 patent

DAINIPPON PRINTING CO LTD

1 patent

NEC CORP

1 patent

Showing the top 50 of 65 patents by PatentIndex Score.