Inventor
Naoki Tsumura
Inventor
Kumamoto, JP
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Lprimary
H01LSemiconductor devices18%
H10DInorganic electric semiconductor devices18%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
G06FElectric digital data processing8%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%
H04NPictorial communication, e.g. television6%
G02BOptical elements, systems or apparatus5%
H05KPrinted circuits5%
H04LTransmission of digital information, e.g. telegraphic communication4%
H10HInorganic light-emitting semiconductor devices having potential barriers4%
PatentTitleYear
10,716,218Display device and method for manufacturing the same202010,128,270Active matrix substrate and manufacturing method of the same201810,050,059Thin film transistor substrate and method for manufacturing the same20189,929,186'Thin film transistor substrate and method for manufacturing the same'20189,910,199'Display'20189,673,232'Thin-film transistor, active matrix substrate, method of manufacturing thin-film transistor, and method of manufacturing active matrix substrate'20179,543,329'Thin film transistor substrate and method for manufacturing the same'20179,508,750'Thin film transistor substrate and method for manufacturing the same'20169,461,077'Active matrix substrate and method for manufacturing the same'20169,459,380'Display'20169,343,487'Thin film transistor substrate and manufacturing method thereof'20169,250,363'Display'20169,209,203'Active matrix substrate and method for manufacturing the same'20159,190,420'Thin film transistor substrate and manufacturing method thereof'20159,094,826'Wireless communication system and terminal-device authentication method in wireless communication system'20159,076,875'Thin film transistor substrate with pixel matrix'20158,558,248'A1 alloy film, electronic device, and active matrix substrate for use in electrooptic display device'20138,546,804'Semiconductor device including a region containing nitrogen at an interface and display device'20138,159,749'Antireflection coating and display device'20127,847,931'Measuring equipment'20107,825,515'Semiconductor device, display device, and method of manufacturing semiconductor device'20107,698,484'Information processor configured to detect available space in a storage in another information processor'20107,664,904'High speed serial switch fabric performing mapping of traffic classes onto virtual channels'20107,007,182'Communication terminal and facsimile apparatus connected to an analog communication network and provided with a power management feature'20065,701,497'Telecommunication apparatus having a capability of translation'19975,077,742'Error-corrected facsimile communication control system'19914,989,232'Device for processing digital signal in audio-frequency bandwidth'19914,868,852'Facsimile machine having an output level adjusting function'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2010Patents assigned to RICOH KK (7)· patent assignee history
1989Based in Kawasaki, JP· patent location history
1991–2006Based in Yokohama, JP· patent location history
2010–2020Patents assigned to MITSUBISHI ELECTRIC CORP (19)· patent assignee history
2010–2020Based in Kumamoto, JP· patent location history
2010–2015Based in Kanagawa, JP· patent location history
2010Based in Kamiina-gun, JP· patent location history
2012–2020Patents assigned to TSUMURA NAOKI (5)· patent assignee history
2012–2020Patents assigned to ISHIGA NOBUAKI (4)· patent assignee history
2012–2020Patents assigned to NAGAYAMA KENSUKE (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 19 | 2010–2020 |
| RICOH KK | 7 | 1989–2010 |
| TSUMURA NAOKIself | 5 | 2012–2020 |
| ISHIGA NOBUAKI | 4 | 2012–2020 |
| NAGAYAMA KENSUKE | 4 | 2012–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kumamoto, JP | 19 | 2010–2020 |
| Yokohama, JP | 4 | 1991–2006 |
| Kanagawa, JP | 3 | 2010–2015 |
| Kamiina-gun, JP | 1 | 2010 |
| Kawasaki, JP | 1 | 1989 |