Inventor
Yoshinobu Kubota
Inventor
Yokohama, JP
Overview
Patents· 30 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 therein49%
G02BOptical elements, systems or apparatus29%
H04BTransmission14%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light2%
G06FElectric digital data processing2%
H04JMultiplex communication2%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
11,086,149Electro-optic device202110,754,179Optical modulator, optical modulator module, and optical transmitter module202010,436,987Optical module201910,303,036Optical modulator201910,281,748Optical modulator and optical module201910,268,099Optical modulator and optical module201910,095,080Optical modulator and optical module201810,082,683Optical modulator that is formed using ferroelectric substrate201810,054,744Optical module and optical fiber assembly20189,740,077'Optical modulator module that includes a plurality of optical modulators'20179,703,168'Optical module and transmitting apparatus'20179,651,804'Optical module'20179,520,948'Optical transmission device'20169,335,490'Optical device and fabrication method of optical device'20169,285,650'Optical modulating apparatus and optical transmitter'20167,646,982'Chromatic dispersion compensator'20107,340,128'Wavelength selection device'20087,330,617'Wavelength selective optical switch, and optical device provided with spectroscopic function'20087,262,913'Chromatic dispersion and dispersion slope compensating apparatus'20076,466,705'Acousto-optic variable-wavelength TE/TM mode converter, and a variable-wavelength optical filter using this converter'20026,238,102'Multiaxial optical coupler'20016,046,839'Polarizaiton scrambler'20006,033,126'Optical waveguide module having improved high-frequency characteristics'20005,963,357'Optical modulator'19995,953,466'Optical modulator'19995,889,912'Optical waveguide device'19995,764,400'Optical modulator'19985,680,497'Optical waveguide device'19975,404,412'Optical waveguide device'19955,214,724'Optical waveguide device with suppressed DC drift'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2010Patents assigned to FUJITSU LTD (15)· patent assignee history
1993Based in Ayase, JP· patent location history
1995–2010Based in Kawasaki, JP· patent location history
2002Based in Richardson, TX, US· patent location history
2016–2021Patents assigned to FUJITSU OPTICAL COMPONENTS LTD (15)· patent assignee history
2016–2020Based in Yokohama, JP· patent location history
2021Patents assigned to TDK CORP (1)· patent assignee history
2021Based in Yokohama-shi, Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 15 | 1993–2010 |
| FUJITSU OPTICAL COMPONENTS LTD | 15 | 2016–2021 |
| TDK CORP | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 14 | 2016–2020 |
| Kawasaki, JP | 13 | 1995–2010 |
| Yokohama-shi, Kanagawa, JP | 1 | 2021 |
| Richardson, Texas, US | 1 | 2002 |
| Ayase, JP | 1 | 1993 |