Inventor
Nobuyuki Hayama
Inventor
Tokyo, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Dprimary
H10DInorganic electric semiconductor devices43%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure7%
H01LSemiconductor devices7%
H03KPulse technique7%
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%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
PatentTitleYear
9,076,906'Hetero-junction bipolar phototransistor with improved noise characteristic'20156,765,241'Group III nitride semiconductor device of field effect transistor type having reduced parasitic capacitances'20046,552,373'Hetero-junction field effect transistor having an intermediate layer'20036,507,089'Semiconductor device, semiconductor integrated circuit, and method for manufacturing semiconductor device'20036,492,669'Semiconductor device with schottky electrode having high schottky barrier'20026,465,814'Semiconductor device'20026,440,822'Method of manufacturing semiconductor device with sidewall metal layers'20026,441,391'Semiconductor device having drain and gate electrodes formed to lie along few degrees of direction in relation to the substrate'20024,217,783'Magnetoresistive pressure-sensing device for automotive electronic engine control systems'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980Patents assigned to NIPPON ELECTRIC CO (1)· patent assignee history
1980–2003Based in Tokyo, JP· patent location history
2002–2004Patents assigned to NEC CORP (7)· patent assignee history
2004Based in Minato-ku, JP· patent location history
2015Patents assigned to CHOI SUNGWOO (1)· patent assignee history
2015Patents assigned to HAYAMA NOBUYUKI (1)· patent assignee history
2015Patents assigned to NAT INST OF ADVANCED IND SCIEN (1)· patent assignee history
2015Based in Tsukuba, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 7 | 2002–2004 |
| CHOI SUNGWOO | 1 | 2015 |
| HAYAMA NOBUYUKIself | 1 | 2015 |
| NAT INST OF ADVANCED IND SCIEN | 1 | 2015 |
| NIPPON ELECTRIC CO | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 7 | 1980–2003 |
| Tsukuba, JP | 1 | 2015 |
| Minato-ku, JP | 1 | 2004 |