Inventor

Takehiro Watarai

Inventor
Mie, JP

Overview

15→
Patents
1998–2019
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.

G01Cprimary
G01CMeasuring distances, levels or bearings35%
F23QIgnition15%
Y10TTechnical subjects covered by former us classification12%
F02PIgnition, other than compression ignition, for internal-combustion engines8%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock8%
F02BInternal-combustion piston engines4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to NIPPON DENSO CO (1)· patent assignee history
1998Based in Nagoya, JP· patent location history
1999–2019Patents assigned to DENSO CORP (14)· patent assignee history
1999–2009Based in Mie, JP· patent location history
2005–2014Based in Kuwana, JP· patent location history
2014Patents assigned to KAJIYAMA NORIKAZU (1)· patent assignee history
2014Patents assigned to MIZUTANI KEIGO (1)· patent assignee history
2014Patents assigned to WATARAI TAKEHIRO (1)· patent assignee history
2019Based in Kariya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DENSO CORP141999–2019
KAJIYAMA NORIKAZU12014
MIZUTANI KEIGO12014
NIPPON DENSO CO11998
WATARAI TAKEHIROself12014
Locations
LocationPatentsSpan
Mie, JP91999–2009
Kuwana, JP42005–2014
Kariya, JP12019
Nagoya, JP11998