Inventor

Manabu Akagi

Inventor

Tokyo, JP

Overview

5→

Patents

1992–2021

Patent span

Physics

Primary field (CPC G)

Patents· 5 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television40%

G02BOptical elements, systems or apparatus30%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles10%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein10%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them10%

PatentTitleYear

11,036,045Display device2021 5,691,844'Reflection mirror'1997 5,339,158'Separation/synthesis mirror device in liquid filled housing with index matching'1994 5,260,830'Three color separation/synthesis mirror device'1993 5,170,195'Cooling device for a liquid crystal panel'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1997Patents assigned to PIONEER ELECTRONIC CORP (4)· patent assignee history

1992–1997Based in Tokyo, JP· patent location history

2021Patents assigned to PIONEER CORP (1)· patent assignee history

2021Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PIONEER ELECTRONIC CORP	4	1992–1997
PIONEER CORP	1	2021

Locations

Location	Patents	Span
Tokyo, JP	4	1992–1997
Saitama, JP	1	2021