Inventor
Takashi Ushijima
Inventor
Yokohama, JP
Overview
Patents· 43 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Rprimary
G01RMeasuring electric variables15%
G03GElectrography11%
G02BOptical elements, systems or apparatus10%
Y10TTechnical subjects covered by former us classification10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
B41JTypewriters4%
H01LSemiconductor devices4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems3%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%
PatentTitleYear
10,128,196Semiconductor device20189,691,870'Semiconductor device'20179,437,562'Semiconductor device and manufacturing method of semiconductor device'20169,379,029'Inspection apparatus, inspection system, inspection method of semiconductor devices, and manufacturing method of inspected semiconductor devices'20168,254,004'Oscillator and optical deflector having oscillator'20128,244,146'Image forming apparatus and image forming method with error corrected potential measurements'20127,998,555'Beam, ink jet recording head having beams, and method for manufacturing ink jet recording head having beams'20117,990,159'Potential measurement apparatus and image forming apparatus'20117,919,889'Oscillator device, optical deflector and optical instrument using the same'20117,833,608'Beam, ink jet recording head having beams, and method for manufacturing ink jet recording head having beams'20107,741,851'Potential measuring apparatus'20107,741,850'Electric potential measuring apparatus, and image forming apparatus'20107,710,129'Potential measurement apparatus and image forming apparatus'20107,670,515'Method for fabricating a mold for a microlens'20107,639,020'Potential sensor and image forming apparatus having potential sensor'20097,612,569'Oscillating device, electric potential measuring device, light deflecting device, and image forming apparatus'20097,583,086'Potential sensor'20097,578,943'Liquid discharge head and producing method therefor'20097,548,066'Potential measuring device and image forming apparatus using the same'20097,504,832'Electric potential measuring apparatus and image forming apparatus'20097,382,137'Potential measuring apparatus'20087,372,278'Electric potential measuring apparatus electrostatic capacitance measuring apparatus, electric potential measuring method, electrostatic capacitance measuring method, and image forming apparatus'20087,294,389'Microstructure array and a microlens array'20077,275,813'Beam, ink jet recording head having beams, and method for manufacturing ink jet recording head having beams'20077,274,193'Micromechanical potential sensor'20077,212,007'Electric potential sensor, and image forming apparatus'20077,149,442'Electric potential sensor'20067,049,804'Electric potential measuring apparatus, and image forming apparatus'20066,965,239'Electric potential sensor, and image forming apparatus'20056,876,051'Aspherical microstructure, and method of fabricating the same'20056,835,443'Microstructure array, and a microlens array'20046,800,950'Microstructure array, mold for forming a microstructure array, and method of fabricating the same'20046,656,393'Mold for forming a microlens and method of fabricating the same'20036,653,705'Aspherical microstructure, and method of fabricating the same'20036,632,342'Methods of fabricating a microstructure array'20036,506,623'Microstructure array, mold for forming a microstructure array, and method of fabricating the same'20036,436,265'Microstructure array, and apparatus and method for forming the microstructure array, and a mold for fabricating a microstructure array'20025,929,004'Detergent for cleaning tire wheels and cleaning method'19995,889,086'Water repellent for automobile window glass'19995,131,942'Method for producing molten metal from powder state ore'19924,335,078'Catalytic reactor for automotive exhaust line'19824,208,361'Automobile with altitude compensated fuel feed means'19804,083,184'System to supply air into the exhaust conduit of an internal combustion engine'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1982Patents assigned to NISSAN MOTOR (3)· patent assignee history
1978–1982Based in Tokyo, JP· patent location history
1999–2012Based in Yokohama, JP· patent location history
2002–2012Patents assigned to CANON KK (33)· patent assignee history
2002–2004Based in Atsugi, JP· patent location history
2003–2010Based in Kanagawa, JP· patent location history
2011–2018Based in Nagoya, JP· patent location history
2012–2016Patents assigned to USHIJIMA TAKASHI (3)· patent assignee history
2012Patents assigned to NOGUCHI KAORU (2)· patent assignee history
2016–2018Patents assigned to TOYOTA MOTOR CO LTD (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 33 | 2002–2012 |
| TOYOTA MOTOR CO LTD | 4 | 2016–2018 |
| NISSAN MOTOR | 3 | 1978–1982 |
| USHIJIMA TAKASHIself | 3 | 2012–2016 |
| NOGUCHI KAORU | 2 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 19 | 1999–2012 |
| Kanagawa, JP | 9 | 2003–2010 |
| Nagoya, JP | 7 | 2011–2018 |
| Atsugi, JP | 4 | 2002–2004 |
| Tokyo, JP | 3 | 1978–1982 |