Inventor

Toshikazu Hirata

Inventor

Hiroshima, JP

Overview

3→

Patents

2000–2021

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.

G02Fprimary

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein33%

F02BInternal-combustion piston engines17%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof17%

H01JElectric discharge tubes or discharge lamps17%

Y02TClimate change mitigation technologies related to transportation17%

PatentTitleYear

11,047,350Air intake passage structure for multi-cylinder engine2021 6,067,141'Liquid crystal display device with reduced viewing angle dependency'2000 6,052,161'Liquid crystal display apparatus'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to SHARP KK (2)· patent assignee history

2000Patents assigned to SONY CORP (2)· patent assignee history

2000Based in Tenri, JP· patent location history

2000Based in Nara, JP· patent location history

2021Patents assigned to MAZDA MOTOR (1)· patent assignee history

2021Based in Hiroshima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHARP KK	2	2000
SONY CORP	2	2000
MAZDA MOTOR	1	2021

Locations

Location	Patents	Span
Hiroshima, JP	1	2021
Tenri, JP	1	2000
Nara, JP	1	2000