Inventor

Yutaka Okumura

Inventor
Tokyo, JP

Overview

11→
Patents
1992–2020
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.

G01Rprimary
G01RMeasuring electric variables21%
LOC2121%
A61FFilters implantable into blood vessels7%
A61LMethods or apparatus for sterilising materials or objects in general7%
A63FCard, board, or roulette games7%
C23CCoating metallic material7%
F16HGearing7%
F41AFunctional features or details common to both smallarms and ordnance, e.g. cannons7%
G06KGraphical data reading7%
H01JElectric discharge tubes or discharge lamps7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1994Patents assigned to GIGA PROBE INC (3)· patent assignee history
1992–1994Based in Kanagawa, JP· patent location history
1996–2004Based in Tokyo, JP· patent location history
1997–2004Patents assigned to SEGA ENTERPRISES KK (4)· patent assignee history
2000Based in Edogawa-ku, JP· patent location history
2001Patents assigned to FOI CORP (1)· patent assignee history
2001Based in Kawasaki, JP· patent location history
2020Patents assigned to JATCO LTD (1)· patent assignee history
2020Patents assigned to NISSAN MOTOR (1)· patent assignee history
2020Based in Numazu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEGA ENTERPRISES KK41997–2004
GIGA PROBE INC31992–1994
FOI CORP12001
JATCO LTD12020
NISSAN MOTOR12020
Locations
LocationPatentsSpan
Tokyo, JP51996–2004
Kanagawa, JP31992–1994
Numazu, JP12020
Kawasaki, JP12001
Edogawa-ku, JP12000