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Inventor

Hidetaka Yamashita

Inventor
Tokyo, JP

Overview

10→
Patents
1977–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 10 as inventor

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

B60Rprimary
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for8%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors8%
F16HGearing8%
H04BTransmission8%
H04LTransmission of digital information, e.g. telegraphic communication8%
H04QSelecting8%
C01BNon-metallic elements4%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
C23CCoating metallic material4%
G01BMeasuring length, thickness or similar linear dimensions4%
PatentTitleYear
10,972,308Communication device and automobile including the same202110,964,950Secondary battery positive-electrode active material and method for producing same202110,930,491Method of manufacturing semiconductor device, substrate processing apparatus, and recording medium202110,886,970Load drive system and load drive method20219,897,191'Torque arm structure'20189,260,250'Gear motor having an antirotation member'20168,121,844'Dimension measurement system'20124,186,382'Switching network'19804,172,215'Transformer coupling circuit providing for cancellation of D.C. fluxes'19794,035,586'Current supply system for terminal devices'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1980Patents assigned to HITACHI LTD (3)· patent assignee history
1977–1980Based in Kamakura, JP· patent location history
2012Patents assigned to HIRANO KATSUMI (1)· patent assignee history
2012–2021Based in Tokyo, JP· patent location history
2016–2018Patents assigned to SUMITOMO HEAVY INDUSTRIES (2)· patent assignee history
2021Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (2)· patent assignee history
2021Patents assigned to KOKUSAI ELECTRIC CORP (1)· patent assignee history
2021Based in Sakura, JP· patent location history
2021Based in Toyama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD31977–1980
HITACHI AUTOMOTIVE SYSTEMS LTD22021
SUMITOMO HEAVY INDUSTRIES22016–2018
HIRANO KATSUMI12012
KOKUSAI ELECTRIC CORP12021
Locations
LocationPatentsSpan
Tokyo, JP52012–2021
Kamakura, JP31977–1980
Sakura, JP12021
Toyama, JP12021