LexDanaLexDanabeta
Inventor

Takeshi Takamaru

Inventor
Katsuta, JP

Overview

3→
Patents
1977–1980
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F02Mprimary
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof43%
F02BInternal-combustion piston engines14%
F02DControlling combustion engines14%
Y02TClimate change mitigation technologies related to transportation14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
4,225,535'Acceleration pump of carburetor'19804,167,547'Air valve type carburetor'19794,058,093'Carburetor for use in internal combustion engine'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1980Patents assigned to HITACHI LTD (3)· patent assignee history
1977Based in Mito, JP· patent location history
1979Based in Ibaraki, JP· patent location history
1980Based in Katsuta, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD31977–1980
Locations
LocationPatentsSpan
Katsuta, JP11980
Ibaraki, JP11979
Mito, JP11977