Inventor

Shigeki Koizumi

Inventor
Saitama, JP

Overview

11→
Patents
1986–2020
Patent span
Physics
Primary field (CPC G)

Patents· 11 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer30%
H02KDynamo-electric machines20%
G06FElectric digital data processing10%
G06KGraphical data reading10%
B41JTypewriters5%
D06PDyeing or printing textiles5%
F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere5%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes5%
H04BTransmission5%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2003Patents assigned to CANON DENSHI KK (7)· patent assignee history
1986–1993Based in Yokoze, JP· patent location history
1988–1997Based in Chichibu, JP· patent location history
1992–2003Patents assigned to CANON KK (3)· patent assignee history
1992–2003Based in Saitama, JP· patent location history
2018–2020Patents assigned to TOSHIBA MEMORY CORP (2)· patent assignee history
2018–2020Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON DENSHI KK71986–2003
CANON KK31992–2003
TOSHIBA MEMORY CORP22018–2020
Locations
LocationPatentsSpan
Saitama, JP41992–2003
Yokoze, JP31986–1993
Yokohama, JP22018–2020
Chichibu, JP21988–1997