Inventor
Takahiro Shiozawa
Inventor
Tokyo, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Lprimary
H01LSemiconductor devices12%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1012%
B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool8%
G02BOptical elements, systems or apparatus8%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices8%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light8%
B05DProcesses for applying fluent materials to surfaces, in general4%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems4%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light4%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
PatentTitleYear
10,656,526Substrate treatment method and thermal treatment apparatus20209,558,960'Substrate processing method, non-transitory storage medium and heating apparatus'20179,552,987'Substrate processing method, substrate processing apparatus, and storage medium'20179,272,349'Numerical control device, wire electric discharge machining apparatus using the same, and wire electric discharge machining method using the same'20169,168,603'Wire electric discharge machining apparatus'20157,269,225'Serial digital signal transmission apparatus'20076,859,579'Optical switcher used for broadcast station'20056,046,525'Piezo-electric actuator control method and device and variable wavelength filter using the piezo-electric actuator device'20005,471,332'Hitless switching apparatus and method for optical network'19955,394,418'Wavelength switching light source'19955,392,303'Frequency stabilization method of semiconductor laser, frequency-stabilized light source and laser module'19955,357,097'Method and apparatus for controlling acousto-optic filter'19944,768,847'Hologram scanner'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2015Based in Tokyo, JP· patent location history
1994–2007Patents assigned to NEC CORP (7)· patent assignee history
2015–2016Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history
2015–2016Patents assigned to ONODERA YASUO (2)· patent assignee history
2015–2016Patents assigned to SHIOZAWA TAKAHIRO (2)· patent assignee history
2016Based in Chiyoda-ku, JP· patent location history
2017–2020Patents assigned to TOKYO ELECTRON LTD (3)· patent assignee history
2017–2020Based in Koshi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 7 | 1994–2007 |
| TOKYO ELECTRON LTD | 3 | 2017–2020 |
| MITSUBISHI ELECTRIC CORP | 2 | 2015–2016 |
| ONODERA YASUO | 2 | 2015–2016 |
| SHIOZAWA TAKAHIROself | 2 | 2015–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 9 | 1988–2015 |
| Koshi, JP | 3 | 2017–2020 |
| Chiyoda-ku, JP | 1 | 2016 |