Inventor
YUTAKA MIYAMOTO
Inventor
JP
Overview
Patents· 27 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission32%
H04JMultiplex communication22%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
G02BOptical elements, systems or apparatus3%
H01LSemiconductor devices3%
H03HImpedance networks, e.g. resonant circuits3%
H04LTransmission of digital information, e.g. telegraphic communication3%
H05KPrinted circuits3%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%
PatentTitleYear
12,574,136Optical amplification system, optical amplification apparatus and optical amplification method202612,542,613Signal processing apparatus, signal processing method and communication system202612,400,783Transformer including first and second windings, and first and second cores, and having structure for preventing core cracking202512,395,248Signal detector, carrier phase retrieval apparatus, carrier phase retrieval method and carrier phase retrieval program202512,176,952Signal detection apparatus, signal detection method and program202412,170,542Optical transmitter202412,099,235Amplifying fiber and optical amplifier202412,034,269Light amplifying relay system202411,929,784Wavelength dispersion compensation apparatus and wavelength dispersion compensation method202411,888,281Multimode optical amplifier202411,888,522Optical transmission system and optical transmission method202411,888,584Optical transmission system, optical transmission apparatus and optical transmission method202411,770,205Optical signal processing apparatus, optical signal processing method and computer program202311,745,258Casting solidification analysis method, casting method, and electronic program202311,742,950Wavelength dispersion amount calculation apparatus and wavelength dispersion amount calculation method202311,716,144Optical transmitting system and optical transmitting method202311,710,645Manufacturing method of mounting structure, and sheet therefor202311,632,185Signal processing method, signal processing apparatus and communication system202311,552,714Signal separating apparatus and signal separating method202311,476,635Optically amplified repeater system and optical amplifier202211,438,071Optical repeater202211,438,083Signal generation device202211,362,753Optical node device202211,349,564Crosstalk estimation system202211,315,804Manufacturing method of mounting structure202211,283,527Optical transmitting system, optical transmitting apparatus, optical receiving apparatus and transfer function estimating method202211,194,219Optical modulator2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to NIPPON TELEGRAPH & TELEPHONE (21)· patent assignee history
2021–2026Based in JP· patent location history
2022–2023Patents assigned to NAGASE CHEMTEX CORP (2)· patent assignee history
2023Patents assigned to I2C CO LTD (1)· patent assignee history
2025Patents assigned to PANASONIC IP MAN CO LTD (1)· patent assignee history
2026Patents assigned to NTT INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON TELEGRAPH & TELEPHONE | 21 | 2021–2025 |
| NAGASE CHEMTEX CORP | 2 | 2022–2023 |
| NTT INC | 2 | 2026 |
| I2C CO LTD | 1 | 2023 |
| PANASONIC IP MAN CO LTD | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 27 | 2021–2026 |