Inventor
YOSHIHIRO OGISO
Inventor
JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein53%
G02BOptical elements, systems or apparatus27%
H04BTransmission20%
PatentTitleYear
12,560,852Semiconductor IQ modulator202612,393,064Semiconductor optical modulator202512,176,959High-speed optical transceiver202412,169,347Semiconductor Mach-Zehnder optical modulator and IQ modulator202412,105,398Semiconductor Mach-Zehnder optical modulator and IQ modulator202411,994,783IQ optical modulator202411,971,590Optical coupling method202411,372,307Optical modulator202211,275,287Semiconductor Mach-Zehnder optical modulator and IQ optical modulator using same2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to NIPPON TELEGRAPH & TELEPHONE (8)· patent assignee history
2022–2026Based in JP· patent location history
2026Patents assigned to NTT INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON TELEGRAPH & TELEPHONE | 8 | 2022–2025 |
| NTT INC | 1 | 2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 9 | 2022–2026 |