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Inventor

Takayuki Koyama

Inventor
Tokyo, JP

Overview

15→
Patents
1995–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 15 as inventor

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

H02Kprimary
H02KDynamo-electric machines15%
B29CShaping or joining of plastics10%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts10%
B29LIndexing scheme associated with subclass b29c, relating to particular articles8%
B64CAeroplanes8%
B29DProducing particular articles from plastics or from substances in a plastic state5%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges5%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles3%
PatentTitleYear
10,797,565Motor with inner fan202010,562,243FRP shaping jig and method of shaping FRP structure202010,243,430Rotating electrical machine with rotor and stator, with a stator core including packet cores201910,195,789Composite structure and method for molding composite structure201910,097,059Rotating electric machine201810,075,112Field winding type synchronous machine201810,071,794Joint, and aircraft structure201810,040,538Joint, and aircraft structure20189,595,735'Method for producing sulfide solid electrolyte materials'20179,276,506'Field winding type synchronous motor'20169,184,044'Method for manufacturing semiconductor device'20159,077,223'Electrical rotating machine'20157,649,299'Rotating electrical machine and alternating-current generator'20107,076,919'Automobile window pane structure'20065,446,536'System of detecting optical distortion of a light-transmitting plate-like member'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2006Patents assigned to NIPPON SHEET GLASS CO LTD (2)· patent assignee history
2006Based in Osaka, JP· patent location history
2010–2019Patents assigned to HITACHI LTD (6)· patent assignee history
2010Based in Hitachi, JP· patent location history
2015–2017Patents assigned to TOYOTA MOTOR CO LTD (2)· patent assignee history
2015–2020Based in Tokyo, JP· patent location history
2015Based in Toyota, JP· patent location history
2017Patents assigned to HASHIMOTO YUICHI (1)· patent assignee history
2017Based in Susono, JP· patent location history
2018–2020Patents assigned to MITSUBISHI HEAVY IND LTD (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD62010–2019
MITSUBISHI HEAVY IND LTD42018–2020
NIPPON SHEET GLASS CO LTD21995–2006
TOYOTA MOTOR CO LTD22015–2017
HASHIMOTO YUICHI12017
Locations
LocationPatentsSpan
Tokyo, JP102015–2020
Susono, JP12017
Toyota, JP12015
Hitachi, JP12010
Osaka, JP12006