Inventor
MASANORI NAKAMURA
Inventor
JP
Overview
Patents· 39 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission44%
H04LTransmission of digital information, e.g. telegraphic communication15%
H03MCoding10%
H04JMultiplex communication8%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for1%
B62JCycle saddles or seats1%
C01BNon-metallic elements1%
C08JWorking-up1%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials1%
PatentTitleYear
12,580,654Optical transmission system, optical receiver, optical transmitter, control method and program202612,556,203Symbol judgement apparatus, symbol judgement method and program202612,542,613Signal processing apparatus, signal processing method and communication system202612,463,663Coding circuit, decoding circuit, coding method, decoding method and computer program202512,362,837Optical signal demodulator, control method and program202512,231,173Symbol determination device and tap selection method202512,224,889Adaptive equalization filter and method for updating filter coefficients202512,184,337Optical transmission system, control apparatus, optical transmission method and program202412,085,038Internal combustion engine202412,057,863Communication system, communication method and program202412,013,708Gas safety device202411,948,754Three-terminal capacitor with cylindrical main body and electronic component including the same202411,901,953Optical transmission system and characteristic estimation method202411,870,489S/N ratio estimation circuit, and adaptive filter circuit202411,855,699Optical transmission system, optical transmitting apparatus and optical receiving apparatus202311,799,547Signal processing apparatus, signal processing method, and program202311,799,557Communication apparatus, and optical transmission system202311,742,950Wavelength dispersion amount calculation apparatus and wavelength dispersion amount calculation method202311,736,202Optical receiver evaluation method and optical receiver evaluation apparatus202311,728,889Optical transmitting apparatus and transmission characteristics estimation method202311,711,151Optical transmission system and compensation method202311,706,065Symbol judgement apparatus and symbol judgement method202311,683,093Wavelength dispersion compensation apparatus, optical receiving apparatus, wavelength dispersion compensation method and computer program202311,671,119Signal processing apparatus and signal processing method202311,643,771Reinforcing fiber bundle, reinforcing fiber-opening woven fabric, fiber reinforced composite, and methods for producing thereof202311,632,185Signal processing method, signal processing apparatus and communication system202311,558,114Optical transmission characteristics compensating method and optical transmission characteristics compensating system202311,463,169Wavelength dispersion amount estimation apparatus202211,444,699Optical transmission system, optical receiving apparatus and optical transmission method202211,438,083Signal generation device202211,397,363Automatic bias control circuit202211,381,317Optical receiving apparatus and waveform distortion compensation method202211,349,572Optical transmission system, optical transmitting apparatus, and optical receiving apparatus202211,303,359Communication system, optical transmitting apparatus, and optical receiving apparatus202211,283,528Digital coherent receiver and digital coherent receiving method202211,283,527Optical transmitting system, optical transmitting apparatus, optical receiving apparatus and transfer function estimating method202211,258,512Receiving apparatus and receiving method202211,228,366Optical transmission characteristics estimation method, optical transmission characteristics estimation system, and optical transmission characteristics compensation system202211,155,316Saddle-type vehicle2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021Patents assigned to HONDA MOTOR CO LTD (1)· patent assignee history
2021–2026Based in JP· patent location history
2022–2025Patents assigned to NIPPON TELEGRAPH & TELEPHONE (30)· patent assignee history
2022–2023Patents assigned to NTT ELECTRONICS CORP (2)· patent assignee history
2024Patents assigned to ISUZU MOTORS LTD (1)· patent assignee history
2025–2026Patents assigned to NTT INC (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON TELEGRAPH & TELEPHONE | 30 | 2022–2025 |
| NTT INC | 4 | 2025–2026 |
| NTT ELECTRONICS CORP | 2 | 2022–2023 |
| HONDA MOTOR CO LTD | 1 | 2021 |
| ISUZU MOTORS LTD | 1 | 2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 39 | 2021–2026 |