Inventor

Muneyoshi Akai

Inventor
Ibaraki, JP

Overview

8→
Patents
1994–2014
Patent span
Physics
Primary field (CPC G)

Patents· 8 as inventor

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

G03Gprimary
G03GElectrography21%
G06KGraphical data reading21%
B41JTypewriters14%
H04NPictorial communication, e.g. television14%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables7%
G02BOptical elements, systems or apparatus7%
G06FElectric digital data processing7%
G11BInformation storage based on relative movement between record carrier and transducer7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1998Patents assigned to HITACHI KOKI KK (4)· patent assignee history
1994–2012Based in Ibaraki, JP· patent location history
1998Patents assigned to HITACHI LTD (1)· patent assignee history
1998–2011Based in Hitachinaka, JP· patent location history
2011–2014Patents assigned to RICOH CO LTD (3)· patent assignee history
2012–2014Patents assigned to AKAI MUNEYOSHI (2)· patent assignee history
2014Patents assigned to ARITA SHUNSUKE (1)· patent assignee history
2014Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI KOKI KK41994–1998
RICOH CO LTD32011–2014
AKAI MUNEYOSHIself22012–2014
ARITA SHUNSUKE12014
HITACHI LTD11998
Locations
LocationPatentsSpan
Ibaraki, JP41994–2012
Hitachinaka, JP31998–2011
Tokyo, JP12014