Inventor

Takumaru Sagawa

Inventor
Yokohama, JP

Overview

5→
Patents
2007–2017
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

C10Mprimary
C10MLubricating compositions22%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions22%
F16CShafts11%
G04BMechanically-driven clocks or watches11%
G04DApparatus or tools specially designed for making or maintaining clocks or watches11%
F01LCyclically operating valves for machines or engines6%
F02BInternal-combustion piston engines6%
F02FCylinders, pistons or casings, for combustion engines6%
Y10TTechnical subjects covered by former us classification6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2017Patents assigned to NISSAN MOTOR (5)· patent assignee history
2007–2014Patents assigned to NIPPON OIL CORP (2)· patent assignee history
2007–2017Based in Yokohama, JP· patent location history
2013–2014Patents assigned to SAGAWA TAKUMARU (2)· patent assignee history
2013Patents assigned to KANO MAKOTO (1)· patent assignee history
2014Patents assigned to AOKI TOORU (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NISSAN MOTOR52007–2017
NIPPON OIL CORP22007–2014
SAGAWA TAKUMARUself22013–2014
AOKI TOORU12014
KANO MAKOTO12013
Locations
LocationPatentsSpan
Yokohama, JP52007–2017