Inventor
AKIHISA TOMITA
Inventor
JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission31%
H04LTransmission of digital information, e.g. telegraphic communication31%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light6%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
G06NComputing arrangements based on specific computational models6%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light6%
H04JMultiplex communication6%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation6%
PatentTitleYear
12,549,341Reception device, quantum key distribution system, and method for detecting quantum signal202612,519,623Reception device, quantum key distribution system, and method for detecting quantum signal202612,489,614Photon detection device, reception device, quantum key distribution system, and method for detecting quantum signal202511,502,831Transmitting device, receiving device, quantum key distribution method, and quantum key distribution program for quantum key distribution system202211,362,817Quantum cryptographic key output apparatus, quantum cryptographic key communication system, and quantum cryptographic key output method2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2026Patents assigned to UNIV HOKKAIDO NAT UNIV CORP (5)· patent assignee history
2022–2026Patents assigned to NAT INST INF & COMM TECH (4)· patent assignee history
2022–2026Patents assigned to NEC CORP (4)· patent assignee history
2022–2026Based in JP· patent location history
2025–2026Patents assigned to UNIV TOKYO (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV HOKKAIDO NAT UNIV CORP | 5 | 2022–2026 |
| NAT INST INF & COMM TECH | 4 | 2022–2026 |
| NEC CORP | 4 | 2022–2026 |
| UNIV TOKYO | 3 | 2025–2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 5 | 2022–2026 |