Toshihide Nagasawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Submarine device, method of configuring submarine device, and subma...
- Patent number 12,210,205
- Issue date Jan 28, 2025
- NEC Corporation
- Akihiro Tanaka
- G02 - OPTICS
Information Patent Grant
Submarine device, method of configuring submarine device, and subma...
- Patent number 11,762,160
- Issue date Sep 19, 2023
- NEC Corporation
- Toshihide Nagasawa
- G02 - OPTICS
Information Patent Grant
Optical cable introducing structure and method of introducing and c...
- Patent number 6,222,977
- Issue date Apr 24, 2001
- NEC Corporation
- Kouichi Kawada
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
FEEDTHROUGH AND METHOD FOR MANUFACTURING FEEDTHROUGH
- Publication number 20250147262
- Publication date May 8, 2025
- NEC Corporation
- Toshihide NAGASAWA
- G02 - OPTICS
Information Patent Application
FEED-THROUGH STRUCTURE
- Publication number 20250035876
- Publication date Jan 30, 2025
- NEC Corporation
- Masayoshi Tani
- G02 - OPTICS
Information Patent Application
SUBMARINE DEVICE, METHOD OF CONFIGURING SUBMARINE DEVICE, AND SUBMA...
- Publication number 20230204886
- Publication date Jun 29, 2023
- NEC Corporation
- Toshihide NAGASAWA
- G02 - OPTICS
Information Patent Application
SUBMARINE DEVICE, METHOD OF CONFIGURING SUBMARINE DEVICE, AND SUBMA...
- Publication number 20230176312
- Publication date Jun 8, 2023
- NEC Corporation
- Akihiro Tanaka
- G02 - OPTICS