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Inventor

Tetsuya Hasegawa

Inventor
Shizuoka, JP

Overview

45→
Patents
1998–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 45 as inventor

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

H02Jprimary
H02JElectric power networks7%
B60TVehicle brake control systems or parts thereof6%
F01MLubricating of machines or engines in general5%
A61KPreparations for medical, dental or toiletry purposes4%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for4%
C07HSugars4%
C12NMicroorganisms or enzymes4%
H01HElectric switches4%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems4%
PatentTitleYear
10,889,273Brake control device for vehicles with bar handle202110,814,843Brake fluid pressure control device for vehicles with bar handle202010,640,096Brake fluid pressure control device for vehicles with bar handle202010,569,749Brake control device for vehicles with bar handle202010,252,455Ethylene-tetrafluoroethylene copolymer sheet and method for producing same201910,125,366Preventive or therapeutic agent for fibrosis20189,637,743'Preventive or therapeutic agent for fibrosis'20179,561,785'Vehicle rear wheel lift tendency judgment device'20179,410,513'Engine configured to drive a diaphragm fuel pump using pressure fluctuation in a crank chamber of the engine'20169,273,314'Preventive or therapeutic agent for fibrosis'20169,233,670'Bar-handle vehicle brake control apparatus'20169,115,645'Engine-driven cutter'20159,022,004'Four-stroke engine'20158,793,885'Engine driven cutter'20148,772,262'Preventive or therapeutic agent for fibrosis'20148,716,047'Method for producing transparent conductive layer comprising TIO2 and method for producing semiconductor light-emitting element utilizing said method for producing transparent conductive layer'20148,707,928'Lubrication apparatus for four-stroke engine'20148,678,521'Vehicular brake control system for vehicle'20148,596,482'Liquid tank for working machine engine and liquid tank cap'20138,439,157'Engine'20138,387,595'Lubricating device for four-stroke engine'20137,968,216'Internal gear pump'20117,858,206'Transparent conductor, transparent electrode, solar cell, light emitting device and display panel'20107,116,009'Power distribution apparatus for distributing power to various electrical loads'20066,914,385'Load drive for driving lamps in vehicles'20056,812,672'Electric charge control device and load driving device using the same'20046,780,066'Arc discharge preventing device'20046,775,119'Electrical connection system for vehicle'20046,775,113'Safety device for power circuit and fuse box'20046,762,595'Power distribution system'20046,720,676'In-vehicle electric power supply apparatus'20046,693,390'Load driving apparatus'20046,677,725'Power source system for vehicle'20046,661,117'Load driving system and method thereof'20036,646,852'Load driving apparatus and driving method of load circuit'20036,639,384'Vehicular power supply device'20036,579,644'Connecting structure for battery terminals'20036,580,180'Power supply apparatus for vehicle'20036,570,369'Regulator with integratable pulse drive signal'20036,522,120'Load driving apparatus'20036,428,363'Connecting structure for battery terminals'20026,420,010'White laminated polyester film for metallic plate lamination work'20026,232,568'Current interrupting apparatus'20016,071,599'Polyester film for metal lamination and the use thereof'20005,851,620'Disc metal mold and recorded disc'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2002Based in Sagamihara, JP· patent location history
2001–2006Patents assigned to YAZAKI CORP (19)· patent assignee history
2001–2015Based in Shizuoka, JP· patent location history
2013–2016Patents assigned to HASEGAWA TETSUYA (11)· patent assignee history
2013–2016Patents assigned to MAKITA CORP (8)· patent assignee history
2013–2016Patents assigned to SUGIYAMA MASAKI (7)· patent assignee history
2013–2016Based in Numazu, JP· patent location history
2014–2021Patents assigned to NISSIN KOGYO KK (7)· patent assignee history
2014–2018Based in Osaka, JP· patent location history
2020–2021Based in Tomi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YAZAKI CORP192001–2006
HASEGAWA TETSUYAself112013–2016
MAKITA CORP82013–2016
NISSIN KOGYO KK72014–2021
SUGIYAMA MASAKI72013–2016
Locations
LocationPatentsSpan
Shizuoka, JP192001–2015
Numazu, JP52013–2016
Tomi, JP42020–2021
Osaka, JP42014–2018
Sagamihara, JP31998–2002