ClassID:

87392

C03B2203/34 - CPC Classification

Classification description:

Fibre product details, e.g. structure, shape Plural core other than bundles, e.g. double core

Recent Application in this class:
#1
20250376409
2025-12-11

PROCESS TO PRODUCE MULTICORE OPTICAL FIBER PREFORM

#2
20250340477
2025-11-06

REDUCTION OF MULTI-CORE FIBER PREFORM GEOMETRIC DISTORTION

#3
20250178946
2025-06-05

METHOD OF FORMING A MULTICORE PREFORM AND FIBER

#4
20250154047
2025-05-15

METHOD AND SEMI-FINISHED PRODUCT FOR PRODUCING A MULTICORE FIBRE

#5
20250102729
2025-03-27

METHOD AND SEMI-FINISHED PRODUCT FOR PRODUCING A MULTICORE FIBRE

#6
20250002391
2025-01-02

Optical Fiber Drawing Apparatus and Method Thereof

#7
20240199468
2024-06-20

INFRARED-TRANSMITTING, POLARIZATION-MAINTAINING OPTICAL FIBER AND METHOD FOR MAKING

#8
20230416139
2023-12-28

METHOD FOR PRODUCING A PREFORM FOR PRODUCING A MULTICORE FIBRE AND ALSO A PREFORM AND A MULTICORE FIBRE

#9
20230382779
2023-11-30

MULTI-CORE OPTICAL FIBER PREFORM, MULTI-CORE OPTICAL FIBER PREFORM PRODUCTION METHOD, AND MULTI-CORE OPTICAL FIBER PRODUCTION METHOD

#10
20220371952
2022-11-24

Cane-Based Multicore Optical Fiber and Methods of Forming

#11
20220315474
2022-10-06

Preform assembly for drawing multicore or holey optical fibre and method of manufacturing thereof

#12
20220306516
2022-09-29

Vacuum-based methods of forming a cane-based optical fiber preform and methods of forming an optical fiber using same

#13
20210198139
2021-07-01

Method for producing a preform for producing a multicore fibre and also a preform and a multicore fibre

#14
20210080644
2021-03-18

Fiber preform, optical fiber, methods for forming the same, and optical devices having the optical fiber

#15
20200317557
2020-10-08

Infrared-transmitting, polarization-maintaining optical fiber and method for making

#16
20200277219
2020-09-03

Vacuum-based methods of forming a cane-based optical fiber preform and methods of forming an optical fiber using same

#17
20200199008
2020-06-25

Method for Manufacturing Optical Fiber Base Material and Optical Fiber Base Material

#18
20200003948
2020-01-02

Multi optically-coupled channels module and related methods of computation

#19
20190270662
2019-09-05

Method of manufacturing optical fiber preform and optical fiber preform

#20
20190235160
2019-08-01

Spun round core fiber

#21
20190152827
2019-05-23

PREPARATION OF QUARTZ GLASS BODIES FROM SILICON DIOXIDE POWDER

#22
20180356587
2018-12-13

NON-CIRCULAR MULTICORE FIBER AND METHOD OF MANUFACTURE

#23
20180341060
2018-11-29

Communication system and connector

#24
20180282200
2018-10-04

METHOD OF MANUFACTURING COUPLED-CORE MULTI-CORE FIBER

#25
20180259707
2018-09-13

Multi optically-coupled channels module and related methods of computation

#26
20180244558
2018-08-30

Twisted glass canes for artists

#27
20180244557
2018-08-30

Production method for multicore optical fiber

#28
20180244556
2018-08-30

Production method for multicore optical fiber

#29
20180011243
2018-01-11

Spun round core fiber

#30
20180002217
2018-01-04

Method of making optical fiber preform with pressed soot

#31
20170322369
2017-11-09

NON-CIRCULAR MULTICORE FIBER AND METHOD OF MANUFACTURE

#32
20170160466
2017-06-08

Cascaded core multicore fiber and manufacturing method for same

#33
20170101335
2017-04-13

Method to prevent cracks in optical fiber preforms

#34
20170101334
2017-04-13

METHOD OF MANUFACTURING OPTICAL FIBER PREFORM AND OPTICAL FIBER PREFORM

#35
20170010410
2017-01-12

Spun round core fiber

#36
20160349447
2016-12-01

Non-circular multicore fiber and method of manufacture

#37
20160229733
2016-08-11

Preform manufacturing method

#38
20160075590
2016-03-17

Production method of optical fiber preform, and production method of optical fiber

#39
20160070058
2016-03-10

Multicore optical fiber and optical module

#40
20150323736
2015-11-12

Multicore fiber and method of manufacturing the same

#41
20150315061
2015-11-05

Multi-core optical fiber ribbons and methods for making the same

#42
20150307387
2015-10-29

Method for forming optical fiber and preforms

#43
20150284286
2015-10-08

METHOD FOR MAKING PREFORMS AND OPTICAL FIBERS

#44
20150274577
2015-10-01

METHOD FOR MANUFACTURING MULTI-CORE OPTICAL FIBER

#45
20150141844
2015-05-21

Optogenetic probe

#46
20150139600
2015-05-21

Method of producing preform for coupled multi-core fiber, method of producing coupled multi-core fiber, and coupled multi-core fiber

#47
20150139597
2015-05-21

Multicore fiber

#48
20150098682
2015-04-09

Optical fiber preform, method for producing optical fiber, and optical fiber

#49
20150055923
2015-02-26

Method for connecting multi-core fiber, multi-core fiber, and method for manufacturing multi-core fiber

#50
20150017440
2015-01-15

Quartz glass tube as a semi-finished product for an optical component

#51
20140254997
2014-09-11

Optical fiber preform, method for producing optical fiber, and optical fiber

#52
20140216109
2014-08-07

Method of manufacturing preform for multicore fiber and method of manufacturing multicore fiber

#53
20130302001
2013-11-14

Low-loss optical fiber over wide wavelength range and method of manufacturing the same

#54
20130291603
2013-11-07

Optical fiber article for handling higher power and method of fabricating or using

#55
20130239623
2013-09-19

Methods for making active laser fibers

#56
20130074551
2013-03-28

METHOD OF MAKING MULTI-CORE OPTICAL FIBER AND METHOD OF MAKING MULTI-CORE OPTICAL FIBER CONNECTOR

#57
20130044989
2013-02-21

Method of producing preform for coupled multi-core fiber, method of producing coupled multi-core fiber, and coupled multi-core fiber

#58
20130044988
2013-02-21

Coupled multicore fiber

#59
20120183304
2012-07-19

Multi-core optical fiber and optical communication systems

#60
20120114292
2012-05-10

Multi-core optical fiber ribbons and methods for making the same

#61
20110280532
2011-11-17

Optical fiber manufacturing method and optical fiber

#62
20110274129
2011-11-10

Method for producing a cylindrical optical component of quartz glass and optically active component obtained by said method

#63
20110206331
2011-08-25

Multi-core optical fiber

#64
20110132038
2011-06-09

Soot pressing for optical fiber overcladding

#65
20110094269
2011-04-28

OPTICAL FIBER MANUFACTURING METHOD

#66
20110045298
2011-02-24

FABRICATION OF NANOWIRES

#67
20100124397
2010-05-20

Multiple core optical fibre

#68
20100008634
2010-01-14

OPTICAL FIBER ARTICLE FOR HANDLING HIGHER POWER AND METHOD OF FABRICATING OR USING

#69
20090201953
2009-08-13

Microstructured optical fibers and manufacturing methods thereof

#70
20090067793
2009-03-12

Multiple core microstructured optical fibre

#71
20090028488
2009-01-29

Fabrication of nanowires

#72
20070028651
2007-02-08

Method for making large diameter multicore optical waveguide

#73
20060141142
2006-06-29

Multilayered optical structures

#74
20050147366
2005-07-07

Constructing preforms from capillaries and canes