Inventor
Masaji Noguchi
Inventor
Kawasaki, JP
Overview
Patents· 12 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 therein26%
H03KPulse technique21%
H04QSelecting21%
H04JMultiplex communication11%
G06EOptical computing devices5%
H03DDemodulation or transference of modulation from one carrier to another5%
H03FAmplifiers5%
H04BTransmission5%
PatentTitleYear
8,274,733'Semiconductor optical amplification module, optical matrix switching device, and drive circuit'20128,179,593'Optical-switch drive circuit and method thereof'20128,139,903'Driving circuit of optical gate switch'20128,107,813'Drive circuit and optical switch'20127,898,341'Non-inverting amplifier circuit and optical switch driver circuit'20117,848,600'Driving circuit of optical gate switch'20107,791,793'Semiconductor optical amplifier gate switch drive circuit, semiconductor optical amplifier gate switching device, and optical cross connect'20107,561,810'Optical communication apparatus'20097,405,858'Acousto-optic tunable filter control apparatus automatically adjusting frequency and power of radio frequency signal'20087,349,632'Method of wavelength selection control and wavelength variable filter device'20087,187,814'Optical add/drop device'20077,181,094'Apparatus for controlling acousto-optic tunable filter and method of selecting wavelength'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2012Patents assigned to FUJITSU LTD (12)· patent assignee history
2007–2008Based in Yokohama, JP· patent location history
2008–2012Based in Kawasaki, JP· patent location history
2012Patents assigned to NOGUCHI MASAJI (4)· patent assignee history
2012Patents assigned to KAI YUTAKA (3)· patent assignee history
2012Patents assigned to YOSHIDA SETSUO (3)· patent assignee history
2012Patents assigned to UENO TOMOHIRO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 12 | 2007–2012 |
| NOGUCHI MASAJIself | 4 | 2012 |
| KAI YUTAKA | 3 | 2012 |
| YOSHIDA SETSUO | 3 | 2012 |
| UENO TOMOHIRO | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 9 | 2008–2012 |
| Yokohama, JP | 3 | 2007–2008 |