Inventor
TOMOAKI TAKEYAMA
Inventor
JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission38%
H04JMultiplex communication31%
G02BOptical elements, systems or apparatus15%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
H04QSelecting8%
PatentTitleYear
12,334,979Optical wavelength multiplexing transmission device and optical wavelength multiplexing transmission method202511,870,553Fiber-optic communication apparatus, fiber-optic communication system, and optical power control method202411,509,394Controller and control method for Raman amplifier202211,294,258Transmission device and transmission system202211,153,014Transmitting apparatus and transmitting method2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to FUJITSU LTD (5)· patent assignee history
2021–2025Based in JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 5 | 2021–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 5 | 2021–2025 |