Inventor

Katsumi Oishi

Inventor
Tokyo, JP

Overview

14→
Patents
1994–2021
Patent span
Physics
Primary field (CPC G)

Patents· 14 as inventor

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

C08Lprimary
C08LCompositions of macromolecular compounds19%
H04NPictorial communication, e.g. television19%
H04HBroadcast communication15%
G07CTime or attendance registers12%
A61BDiagnosis4%
G01RMeasuring electric variables4%
G01TMeasurement of nuclear or x-radiation4%
G04GElectronic time-pieces4%
G06FElectric digital data processing4%
G06KGraphical data reading4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1995Patents assigned to SEIKOSHA KK (2)· patent assignee history
1994Patents assigned to GE PLASTICS JAPAN LTD (1)· patent assignee history
1994–2010Based in Tokyo, JP· patent location history
1994–1999Based in Shimodate, JP· patent location history
1996–1999Patents assigned to GEN ELECTRIC (4)· patent assignee history
2000Patents assigned to SEIKO PRECISION KK (1)· patent assignee history
2004–2010Patents assigned to SONY CORP (5)· patent assignee history
2021Based in Baltimore, MD, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP52004–2010
GEN ELECTRIC41996–1999
SEIKOSHA KK21994–1995
GE PLASTICS JAPAN LTD11994
SEIKO PRECISION KK12000
Locations
LocationPatentsSpan
Tokyo, JP81994–2010
Shimodate, JP51994–1999
Baltimore, Maryland, US12021