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Inventor

Hiroyasu Yamada

Inventor
Hachioji, JP

Overview

33→
Patents
1986–2015
Patent span
Electricity
Primary field (CPC H)

Patents· 33 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G09Gprimary
G09GArrangements or circuits for control of indicating devices using static means to present variable information15%
H10KOrganic electric solid-state devices11%
H05BElectric heating9%
H10DInorganic electric semiconductor devices7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material4%
B29CShaping or joining of plastics4%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
H10BElectronic memory devices4%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation4%
PatentTitleYear
8,941,582'Electrophoretic display device, electronic apparatus, and method of manufacturing electrophoretic display device'20158,828,272'Phosphor, method for producing phosphor, phosphor-containing composition, light-emitting device, lighting system and image display device'20148,574,459'Phosphor, method for producing phosphor, phosphor-containing composition, light-emitting device, lighting system and image display device'20138,102,661'Portable terminal'20127,830,084'Display panel'20107,791,568'Display device and its driving method'20107,515,121'Light emitting element display apparatus and driving method thereof'20097,355,571'Display device and its driving method'20087,317,429'Display panel and display panel driving method'20087,266,873'Throw-away burnishing tool for outside diameter and for inside diameter'20077,248,237'Display device and display device driving method'20077,205,967'Display apparatus and drive method therefor'20076,777,954'Faulty wiring detection device for air conditioner'20046,215,462'Display device and display driving method'20016,191,764'Method of driving display device'20016,091,382'Display device for performing display operation in accordance with signal light and driving method therefor'20006,072,450'Display apparatus'20006,025,894'Scatter control member for organic electroluminescent light source for passing light with or without scattering depending upon an incident angle'20006,002,187'Bicycle electricity generator and a method of attaching the electricity generator to a bicycle'19995,990,629'Electroluminescent display device and a driving method thereof'19995,834,894'Carrier injection type organic electro-luminescent device which emits light in response to an application of a voltage'19985,724,654'Housing for pager receiver having battery cover locking piece which exposes terminal for external access'19985,583,570'Photoelectric conversion system'19965,471,667'Waterproof type unit casing'19955,463,420'Photoelectric conversion system'19955,461,419'Photoelectric conversion system'19955,278,428'Thin film memory cell'19945,196,912'Thin film transistor having memory function and method for using thin film transistor as memory element'19935,060,034'Memory device using thin film transistors having an insulation film with Si/N composition ratio of 0.85 to 1.1'19914,682,685'Conveyor in plastic working machine'19874,658,626'Conveyor in plastic working machine'19874,657,734'Method for preparing a sliding face of a machine tool'19874,625,540'Conveyor in plastic working machine'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1987Patents assigned to HONDA MOTOR CO LTD (4)· patent assignee history
1986–1987Based in Kawagoe, JP· patent location history
1991–2010Patents assigned to CASIO COMPUTER CO LTD (20)· patent assignee history
1995–2012Patents assigned to NEC CORP (3)· patent assignee history
1995–2010Based in Hachioji, JP· patent location history
1995–2004Based in Tokyo, JP· patent location history
1998–2012Based in Shizuoka, JP· patent location history
2012–2015Patents assigned to YAMADA HIROYASU (3)· patent assignee history
2013–2014Patents assigned to MITSUBISHI CHEM CORP (2)· patent assignee history
2013–2014Based in Odawara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CASIO COMPUTER CO LTD201991–2010
HONDA MOTOR CO LTD41986–1987
NEC CORP31995–2012
YAMADA HIROYASUself32012–2015
MITSUBISHI CHEM CORP22013–2014
Locations
LocationPatentsSpan
Hachioji, JP171995–2010
Kawagoe, JP41986–1987
Odawara, JP22013–2014
Shizuoka, JP21998–2012
Tokyo, JP21995–2004