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Inventor

Takeshi Hirakawa

Inventor
Tokyo, JP

Overview

22→
Patents
1998–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 22 as inventor

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

H01Rprimary
H01RElectrically-conductive connections48%
LOC1319%
H05KPrinted circuits13%
F21LLighting devices or systems thereof, being portable or specially adapted for transportation6%
G06FElectric digital data processing6%
H01QAntennas, i.e. radio aerials3%
H02KDynamo-electric machines3%
PatentTitleYear
10,985,505Connector with exposed conductive contact202110,931,065Connector including plate-shaped conductor and casing with through hole202110,897,097Electrical connector device202110,700,458Electric connector and connector device202010,230,185Connector device20199,601,849'Substrate-connecting electric connector and substrate-connecting electric connector device'20179,257,761'Electrical coaxial connector'20169,203,196'Electrical coaxial connector'20158,986,043'Switch-equipped coaxial connector'20158,968,005'Circuit-terminal connecting device'20158,790,121'Electrical connector and electrical connector assembly'20148,678,859'Switch-equipped coaxial connector'2014D0700891'Electric connector'20148,628,355'Electrical connector and electrical connector assembly'20148,550,837'Electrical connector and electrical connector assembly'20138,535,074'Switch-equipped coaxial connector'2013D0683313'Electric connector'2013D0680494'Electric connector'2013D0673499'Electric connector'2013D0607825'Electrical connector'2010D0607411'Electrical connector'20105,829,722'Electric component holder and mechanism of securing the same'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Based in Kanagawa, JP· patent location history
2010Patents assigned to I PEX CO LTD (2)· patent assignee history
2010–2021Based in Tokyo, JP· patent location history
2013–2021Patents assigned to DAI ICHI SEIKO CO LTD (16)· patent assignee history
2013–2014Patents assigned to HIRAKAWA TAKESHI (9)· patent assignee history
2013–2014Patents assigned to HASHIMOTO YOICHI (2)· patent assignee history
2013–2021Based in Machida, JP· patent location history
2021Patents assigned to I PEX INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAI ICHI SEIKO CO LTD162013–2021
HIRAKAWA TAKESHIself92013–2014
HASHIMOTO YOICHI22013–2014
I PEX CO LTD22010
I PEX INC22021
Locations
LocationPatentsSpan
Tokyo, JP112010–2021
Machida, JP102013–2021
Kanagawa, JP11998