Akio Tajima

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical network system, optical node device, and optical network co...
- Patent number 12,170,539
- Issue date Dec 17, 2024
- NEC Corporation
- Tomoyuki Hino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Random number quality management method and apparatus
- Patent number 12,124,364
- Issue date Oct 22, 2024
- NEC Corporation
- Akio Tajima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multi-layer network system and path setting method in multi-layer n...
- Patent number 12,095,507
- Issue date Sep 17, 2024
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encryption key generation
- Patent number 11,909,647
- Issue date Feb 20, 2024
- NEC Corporation
- Takao Ochi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network management apparatus and method of allocating optic...
- Patent number 11,736,839
- Issue date Aug 22, 2023
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Control device, control system, network system, control method, and...
- Patent number 11,695,630
- Issue date Jul 4, 2023
- NEC Corporation
- Shigeyuki Yanagimachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network system, optical node device, and optical network co...
- Patent number 11,652,546
- Issue date May 16, 2023
- NEC Corporation
- Tomoyuki Hino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polycyclic aromatic compound, material for an organic device, organ...
- Patent number 11,248,009
- Issue date Feb 15, 2022
- Kwansei Gakuin Educational Foundation
- Takuji Hatakeyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optical network system, optical node device, and optical network co...
- Patent number 11,201,668
- Issue date Dec 14, 2021
- NEC Corporation
- Tomoyuki Hino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network control devices and optical path setting method
- Patent number 11,115,318
- Issue date Sep 7, 2021
- NEC Corporation
- Shinsuke Fujisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network management apparatus and method of allocating optic...
- Patent number 11,109,123
- Issue date Aug 31, 2021
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical path controller and method of controlling optical path
- Patent number 10,938,499
- Issue date Mar 2, 2021
- NEC Corporation
- Shinsuke Fujisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-layer network system and path setting method in multi-layer n...
- Patent number 10,848,245
- Issue date Nov 24, 2020
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical path design apparatus and optical path design method
- Patent number 10,848,262
- Issue date Nov 24, 2020
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network management apparatus and method of allocating optic...
- Patent number 10,750,259
- Issue date Aug 18, 2020
- NEC CORPORATION
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information communication system, information communication method...
- Patent number 10,735,328
- Issue date Aug 4, 2020
- NEC Corporation
- Takao Ochi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network system, optical node device, and optical network co...
- Patent number 10,715,249
- Issue date Jul 14, 2020
- NEC Corporation
- Tomoyuki Hino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network controller and method of setting optical path
- Patent number 10,542,335
- Issue date Jan 21, 2020
- NEC Corporation
- Shinsuke Fujisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical node device, optical network controller, and optical networ...
- Patent number 10,447,419
- Issue date Oct 15, 2019
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical node device, optical network controller, and optical networ...
- Patent number 10,382,135
- Issue date Aug 13, 2019
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network management apparatus and method of allocating optic...
- Patent number 10,375,460
- Issue date Aug 6, 2019
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter, optical communication device, optical communic...
- Patent number 10,230,487
- Issue date Mar 12, 2019
- NEC Corporation
- Tomoyuki Hino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network controller and optical network control method
- Patent number 10,231,035
- Issue date Mar 12, 2019
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network system, optical node device, and optical path setti...
- Patent number 10,211,923
- Issue date Feb 19, 2019
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network controller and optical network control method
- Patent number 10,193,651
- Issue date Jan 29, 2019
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system, optical node device, and optical path...
- Patent number 9,979,468
- Issue date May 22, 2018
- NEC Corporation
- Shinsuke Fujisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device and control method for the same
- Patent number 9,621,272
- Issue date Apr 11, 2017
- NEC Corporation
- Akio Tajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical switch, optical transmission device, and optical switching...
- Patent number 9,609,401
- Issue date Mar 28, 2017
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Thermosetting resin composition
- Patent number 9,593,240
- Issue date Mar 14, 2017
- JNC Corporation
- Akio Tajima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermosetting resin composition
- Patent number 9,512,273
- Issue date Dec 6, 2016
- JNC Corporation
- Akio Tajima
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ENCRYPTION KEY GENERATION
- Publication number 20240414088
- Publication date Dec 12, 2024
- NEC Corporation
- Takao OCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-LAYER NETWORK SYSTEM AND PATH SETTING METHOD IN MULTI-LAYER N...
- Publication number 20240405875
- Publication date Dec 5, 2024
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...
- Publication number 20230353913
- Publication date Nov 2, 2023
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...
- Publication number 20230254036
- Publication date Aug 10, 2023
- NEC Corporation
- Tomoyuki HINO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONTROL DEVICE, CONTROL SYSTEM, NETWORK SYSTEM, CONTROL METHOD, AND...
- Publication number 20220173962
- Publication date Jun 2, 2022
- NEC Corporation
- Shigeyuki YANAGIMACHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...
- Publication number 20220060257
- Publication date Feb 24, 2022
- NEC Corporation
- Tomoyuki HINO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RANDOM NUMBER QUALITY MANAGEMENT METHOD AND APPARATUS
- Publication number 20210382817
- Publication date Dec 9, 2021
- NEC Corporation
- Akio TAJIMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...
- Publication number 20210352386
- Publication date Nov 11, 2021
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POLYCYCLIC AROMATIC COMPOUND
- Publication number 20210167288
- Publication date Jun 3, 2021
- KWANSEI GAKUIN EDUCATIONAL FOUNDATION
- Takuji Hatakeyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
MULTI-LAYER NETWORK SYSTEM AND PATH SETTING METHOD IN MULTI-LAYER N...
- Publication number 20210058157
- Publication date Feb 25, 2021
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ENCRYPTION KEY GENERATION
- Publication number 20200344170
- Publication date Oct 29, 2020
- NEC Corporation
- Takao OCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...
- Publication number 20200344533
- Publication date Oct 29, 2020
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...
- Publication number 20200313765
- Publication date Oct 1, 2020
- NEC Corporation
- Tomoyuki HINO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POLYCYCLIC AROMATIC COMPOUND, MATERIAL FOR AN ORGANIC DEVICE, ORGAN...
- Publication number 20200207787
- Publication date Jul 2, 2020
- KWANSEI GAKUIN EDUCATIONAL FOUNDATION
- Takuji Hatakeyama
- C07 - ORGANIC CHEMISTRY
Information Patent Application
OPTICAL PATH CONTROLLER AND METHOD OF CONTROLLING OPTICAL PATH
- Publication number 20200136743
- Publication date Apr 30, 2020
- NEC Corporation
- Shinsuke FUJISAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION DEVICE AND OPTICAL COMMUNICATION SYSTEM
- Publication number 20200045388
- Publication date Feb 6, 2020
- NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Kiyo ISHII
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT
- Publication number 20190312207
- Publication date Oct 10, 2019
- KWANSEI GAKUIN EDUCATIONAL FOUNDATION
- Takuji HATAKEYAMA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...
- Publication number 20190306597
- Publication date Oct 3, 2019
- NEC CORPORATION
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL PATH DESIGN APPARATUS AND OPTICAL PATH DESIGN METHOD
- Publication number 20190260474
- Publication date Aug 22, 2019
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK CONTROL DEVICE AND OPTICAL PATH SETTING METHOD
- Publication number 20190238451
- Publication date Aug 1, 2019
- NEC Corporation
- Shinsuke FUJISAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK CONTROLLER AND METHOD OF SETTING OPTICAL PATH
- Publication number 20190037288
- Publication date Jan 31, 2019
- NEC Corporation
- Shinsuke FUJISAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...
- Publication number 20190037289
- Publication date Jan 31, 2019
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...
- Publication number 20180083698
- Publication date Mar 22, 2018
- NEC Corporation
- Tomoyuki HINO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-LAYER NETWORK SYSTEM AND PATH SETTING METHOD IN MULTI-LAYER N...
- Publication number 20170353244
- Publication date Dec 7, 2017
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL PATH SETTI...
- Publication number 20170338890
- Publication date Nov 23, 2017
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL PATH...
- Publication number 20170302370
- Publication date Oct 19, 2017
- NEC Corporation
- Shinsuke FUJISAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INFORMATION COMMUNICATION SYSTEM, INFORMATION COMMUNICATION METHOD...
- Publication number 20170237666
- Publication date Aug 17, 2017
- NEC Corporation
- Takao OCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NODE DEVICE, OPTICAL NETWORK CONTROLLER, AND OPTICAL NETWOR...
- Publication number 20170180073
- Publication date Jun 22, 2017
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTICARRIER OPTICAL TRANSMITTER, MULTICARRIER OPTICAL RECEIVER, AN...
- Publication number 20170163371
- Publication date Jun 8, 2017
- NEC Corporation
- Tomoyuki HINO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTER, OPTICAL COMMUNICATION DEVICE, OPTICAL COMMUNIC...
- Publication number 20170078044
- Publication date Mar 16, 2017
- NEC Corporation
- Tomoyuki HINO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Akio Tajima

Person

Patents Grantslast 30 patents

Optical network system, optical node device, and optical network co...

Random number quality management method and apparatus

Multi-layer network system and path setting method in multi-layer n...

Encryption key generation

Optical network management apparatus and method of allocating optic...

Control device, control system, network system, control method, and...

Optical network system, optical node device, and optical network co...

Polycyclic aromatic compound, material for an organic device, organ...

Optical network system, optical node device, and optical network co...

Optical network control devices and optical path setting method

Optical network management apparatus and method of allocating optic...

Optical path controller and method of controlling optical path

Multi-layer network system and path setting method in multi-layer n...

Optical path design apparatus and optical path design method

Optical network management apparatus and method of allocating optic...

Information communication system, information communication method...

Optical network system, optical node device, and optical network co...

Optical network controller and method of setting optical path

Optical node device, optical network controller, and optical networ...

Optical node device, optical network controller, and optical networ...

Optical network management apparatus and method of allocating optic...

Optical transmitter, optical communication device, optical communic...

Optical network controller and optical network control method

Optical network system, optical node device, and optical path setti...

Optical network controller and optical network control method

Optical communication system, optical node device, and optical path...

Optical transmission device and control method for the same

Optical switch, optical transmission device, and optical switching...

Thermosetting resin composition

Thermosetting resin composition

Patents Applicationslast 30 patents

ENCRYPTION KEY GENERATION

MULTI-LAYER NETWORK SYSTEM AND PATH SETTING METHOD IN MULTI-LAYER N...

OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...

OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...

CONTROL DEVICE, CONTROL SYSTEM, NETWORK SYSTEM, CONTROL METHOD, AND...

OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...

RANDOM NUMBER QUALITY MANAGEMENT METHOD AND APPARATUS

OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...

POLYCYCLIC AROMATIC COMPOUND

MULTI-LAYER NETWORK SYSTEM AND PATH SETTING METHOD IN MULTI-LAYER N...

ENCRYPTION KEY GENERATION

OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...

OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...

POLYCYCLIC AROMATIC COMPOUND, MATERIAL FOR AN ORGANIC DEVICE, ORGAN...

OPTICAL PATH CONTROLLER AND METHOD OF CONTROLLING OPTICAL PATH

OPTICAL COMMUNICATION DEVICE AND OPTICAL COMMUNICATION SYSTEM

ORGANIC ELECTROLUMINESCENT ELEMENT

OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...

OPTICAL PATH DESIGN APPARATUS AND OPTICAL PATH DESIGN METHOD

OPTICAL NETWORK CONTROL DEVICE AND OPTICAL PATH SETTING METHOD

OPTICAL NETWORK CONTROLLER AND METHOD OF SETTING OPTICAL PATH

OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...

OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...

MULTI-LAYER NETWORK SYSTEM AND PATH SETTING METHOD IN MULTI-LAYER N...

OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL PATH SETTI...

OPTICAL COMMUNICATION SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL PATH...

INFORMATION COMMUNICATION SYSTEM, INFORMATION COMMUNICATION METHOD...

OPTICAL NODE DEVICE, OPTICAL NETWORK CONTROLLER, AND OPTICAL NETWOR...

MULTICARRIER OPTICAL TRANSMITTER, MULTICARRIER OPTICAL RECEIVER, AN...

OPTICAL TRANSMITTER, OPTICAL COMMUNICATION DEVICE, OPTICAL COMMUNIC...