Inventor
Takuya Hamaguchi
Inventor
Tokyo, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Dprimary
H10DInorganic electric semiconductor devices21%
G11BInformation storage based on relative movement between record carrier and transducer14%
H01LSemiconductor devices14%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%
G01RMeasuring electric variables7%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation7%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
10,461,049Semiconductor device and manufacturing method therefor20199,153,502'Semiconductor chip testing method and semiconductor chip testing device'20158,390,097'Insulated gate bipolar transistor having contact region with variable width'20137,777,249'Semiconductor device with enhanced switching speed and method for manufacturing the same'20105,631,753'Black matrix base board and manufacturing method therefor, and liquid crystal display panel and manufacturing method therefor'19975,554,451'Optical data recording medium'19965,224,090'Optical recording members and method for production thereof'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1997Patents assigned to DAINIPPON PRINTING CO LTD (2)· patent assignee history
1993Based in Hoya, JP· patent location history
1996Patents assigned to BROTHER IND LTD (1)· patent assignee history
1996Based in Nagoya, JP· patent location history
1997–2019Based in Tokyo, JP· patent location history
2010–2019Patents assigned to MITSUBISHI ELECTRIC CORP (4)· patent assignee history
2013–2015Patents assigned to HAMAGUCHI TAKUYA (2)· patent assignee history
2013–2015Patents assigned to TSUNODA TETSUJIRO (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 4 | 2010–2019 |
| DAINIPPON PRINTING CO LTD | 2 | 1993–1997 |
| HAMAGUCHI TAKUYAself | 2 | 2013–2015 |
| TSUNODA TETSUJIRO | 2 | 2013–2015 |
| BROTHER IND LTD | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 5 | 1997–2019 |
| Nagoya, JP | 1 | 1996 |
| Hoya, JP | 1 | 1993 |