Inventor

Kazushige Ohta

Inventor
Hadano, JP

Overview

4→
Patents
1997–2019
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus38%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein25%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof13%
F04BPositive-displacement machines for liquids13%
G01DMeasuring not specially adapted for a specific variable13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2000Patents assigned to STANLEY ELECTRIC CO LTD (3)· patent assignee history
1997–1998Based in Hadano, JP· patent location history
2000Patents assigned to IBM (1)· patent assignee history
2000Based in Kanagawa, JP· patent location history
2019Patents assigned to MITSUI E & S MACH CO LTD (1)· patent assignee history
2019Patents assigned to MITSUI SHIPBUILDING ENG (1)· patent assignee history
2019Based in Tamano, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
STANLEY ELECTRIC CO LTD31997–2000
IBM12000
MITSUI E & S MACH CO LTD12019
MITSUI SHIPBUILDING ENG12019
Locations
LocationPatentsSpan
Hadano, JP21997–1998
Tamano, JP12019
Kanagawa, JP12000