Inventor
JUNJI SAKAMOTO
Inventor
JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus80%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light13%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
PatentTitleYear
12,197,006Optical multiplexing circuit and light source202512,072,528Optical multiplexing circuit202411,921,320Optical circuit202411,886,002Optical multiplexing circuit and light source202411,886,004Planer lightwave circuit202411,886,005Optical multiplexing circuit and light source202411,852,863Mode multiplexing/demultiplexing optical circuit202311,822,124Optical multiplexing circuit and light source202311,768,342Optical multiplexing circuit and optical source202311,740,405Optical multiplexing circuit and light source202311,733,469Planar lightwave circuit and optical device202311,543,591Optical multiplexer and RGB coupler2023Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023–2025Patents assigned to NIPPON TELEGRAPH & TELEPHONE (12)· patent assignee history
2023–2025Based in JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON TELEGRAPH & TELEPHONE | 12 | 2023–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 12 | 2023–2025 |