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Inventor

Keizo Takahashi

Inventor
Tokyo, JP

Overview

15→
Patents
1988–2019
Patent span
Physics
Primary field (CPC G)

Patents· 15 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television11%
A61KPreparations for medical, dental or toiletry purposes7%
F02BInternal-combustion piston engines7%
F04BPositive-displacement machines for liquids7%
G01BMeasuring length, thickness or similar linear dimensions7%
G11BInformation storage based on relative movement between record carrier and transducer7%
H02KDynamo-electric machines7%
Y02TClimate change mitigation technologies related to transportation7%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%
A61QSpecific use of cosmetics or similar toiletry preparations4%
PatentTitleYear
10,173,606Structure for attaching in-vehicle apparatus20199,757,315'Tooth whitener'20175,695,374'Nonwoven fabric for liners of floppy disk and process for producing the same'19975,585,354'Suppressant of corneal subepithelial clouding'19965,581,916'Excavating, sieving and grading device for working crawler'19965,574,607'Magnetic disk cartridge'19965,277,029'Internal combustion engine with a dual turbocharger system'19945,189,805'Coordinate measuring machine'19935,187,874'Coordinate measuring machine with protected origin point blocks'19935,132,804'Video printer'19925,104,298'Diaphragm-type air pump with an efficient core'19925,057,933'Device for providing an image for video recording'19915,013,223'Diaphragm-type air pump'19914,868,661'Video printer'19894,722,307'Intake system for an electronic control fuel injection system for an internal combustion engine'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1994Patents assigned to TOYOTA MOTOR CO LTD (2)· patent assignee history
1988–1994Based in Toyota, JP· patent location history
1989–1992Patents assigned to YORICA KOKI CO LTD (3)· patent assignee history
1989–2017Based in Tokyo, JP· patent location history
1991–1992Patents assigned to TAKATSUKI ELECTRIC MFG CO LTD (2)· patent assignee history
1991–1992Based in Mino, JP· patent location history
1993Patents assigned to MITUTOYO CORP (2)· patent assignee history
1993Based in Utsunomiya, JP· patent location history
1996–2017Patents assigned to KAO CORP (3)· patent assignee history
1996–1997Based in Tochigi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAO CORP31996–2017
YORICA KOKI CO LTD31989–1992
MITUTOYO CORP21993
TAKATSUKI ELECTRIC MFG CO LTD21991–1992
TOYOTA MOTOR CO LTD21988–1994
Locations
LocationPatentsSpan
Tokyo, JP51989–2017
Tochigi, JP21996–1997
Toyota, JP21988–1994
Utsunomiya, JP21993
Mino, JP21991–1992