Inventor
Toshihiko Hirooka
Inventor
Sendai, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission33%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein22%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light22%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light11%
H04JMultiplex communication11%
PatentTitleYear
8,170,071'Laser apparatus'20127,747,175'Optical transmission method and optical transmission apparatus'20107,672,593'OTDM transmission method and apparatus'20107,428,096'Optical pulse compressor, optical function generator, optical pulse compression method, and optical function generation method'20087,352,504'Optical fourier transform device and method'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2010Patents assigned to JAPAN SCIENCE & TECH AGENCY (4)· patent assignee history
2008–2010Based in Sendai, JP· patent location history
2012Patents assigned to ADVANTEST CORP (1)· patent assignee history
2012Patents assigned to HIROOKA TOSHIHIKO (1)· patent assignee history
2012Patents assigned to NAKAZAWA MASATAKA (1)· patent assignee history
2012Patents assigned to SHIOTA KAZUNORI (1)· patent assignee history
2012Based in Miyagi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JAPAN SCIENCE & TECH AGENCY | 4 | 2008–2010 |
| ADVANTEST CORP | 1 | 2012 |
| HIROOKA TOSHIHIKOself | 1 | 2012 |
| NAKAZAWA MASATAKA | 1 | 2012 |
| SHIOTA KAZUNORI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sendai, JP | 4 | 2008–2010 |
| Miyagi, JP | 1 | 2012 |