Inventor

Takahiro Ohta

Inventor
Asaka, JP

Overview

18→
Patents
1976–2018
Patent span
Physics
Primary field (CPC G)

Patents· 18 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television24%
B23KSoldering or unsoldering6%
G01DMeasuring not specially adapted for a specific variable6%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
G11BInformation storage based on relative movement between record carrier and transducer6%
B41JTypewriters3%
C21DModifying the physical structure of ferrous metals3%
F01DNon-positive displacement machines or engines, e.g. steam turbines3%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants3%
F16JPistons3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1989Patents assigned to FUJI PHOTO FILM CO LTD (13)· patent assignee history
1976–1981Based in Asaka, JP· patent location history
1986–1987Based in Kaisei-machi, JP· patent location history
1986Based in Kanagawa, JP· patent location history
2002–2011Patents assigned to MITSUBISHI HEAVY IND LTD (4)· patent assignee history
2002–2011Based in Takasago, JP· patent location history
2018Patents assigned to TOYO TIRE & RUBBER CO (1)· patent assignee history
2018Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI PHOTO FILM CO LTD131976–1989
MITSUBISHI HEAVY IND LTD42002–2011
TOYO TIRE & RUBBER CO12018
Locations
LocationPatentsSpan
Asaka, JP51976–1981
Takasago, JP42002–2011
Kaisei-machi, JP31986–1987
Kanagawa, JP21986
Osaka, JP12018