Inventor
KATAYAMA ETSUJI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “KATAYAMA ETSUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FURUKAWA ELECTRIC CO LTD
17 patentsUS6720582B2Apr 13, 2004
Semiconductor laser diode module
FURUKAWA ELECTRIC CO LTD40 citations94
US6529535B2Mar 4, 2003
Laser diode module
FURUKAWA ELECTRIC CO LTD12 citations73
US9746627B2Aug 29, 2017
Semiconductor laser module
FURUKAWA ELECTRIC CO LTD5 citations71
US7030422B2Apr 18, 2006
Semiconductor laser diode module
FURUKAWA ELECTRIC CO LTD9 citations71
US6734517B2May 11, 2004
Semiconductor laser diode module
FURUKAWA ELECTRIC CO LTD7 citations71
US10777965B2Sep 15, 2020
Laser apparatus and light source apparatus
FURUKAWA ELECTRIC CO LTD1 citations62
US8030224B2Oct 4, 2011
Manufacturing method of semiconductor device, semiconductor device, communication apparatus, and semiconductor laser
FURUKAWA ELECTRIC CO LTD5 citations61
US6532107B2Mar 11, 2003
Optical amplifier, light source module and optical system
FURUKAWA ELECTRIC CO LTD3 citations61
US11011885B2May 18, 2021
Laser device and light-source device
FURUKAWA ELECTRIC CO LTD0 citations51
US10985526B2Apr 20, 2021
Laser device and light-source device
FURUKAWA ELECTRIC CO LTD0 citations51
US10061092B2Aug 28, 2018
Semiconductor laser module
FURUKAWA ELECTRIC CO LTD1 citations51
US12519283B2Jan 6, 2026
Semiconductor optical device and method of manufacturing semiconductor optical device
FURUKAWA ELECTRIC CO LTD0 citations50
US11962120B2Apr 16, 2024
Semiconductor laser module
FURUKAWA ELECTRIC CO LTD0 citations50
US11658458B2May 23, 2023
Optical device
FURUKAWA ELECTRIC CO LTD0 citations50
US10361532B2Jul 23, 2019
Semiconductor laser module and semiconductor laser module manufacturing method
FURUKAWA ELECTRIC CO LTD0 citations41
US10869395B2Dec 15, 2020
Flexible substrate, flexible substrate-attached component, and manufacturing method of flexible substrate-attached component
FURUKAWA ELECTRIC CO LTD0 citations39
US10466426B2Nov 5, 2019
Optical fiber drawer structure and optical module
FURUKAWA ELECTRIC CO LTD0 citations33