Inventor

Tadashi Onuma

Inventor
Inashiki-gun, JP

Overview

7→
Patents
1977–1997
Patent span
Human necessities
Primary field (CPC A)

Patents· 7 as inventor

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

A61Nprimary
A61NElectrotherapy27%
A01KAnimal husbandry9%
A61MDevices for introducing media into, or onto, the body9%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%
C01BNon-metallic elements9%
G06FElectric digital data processing9%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers9%
H10NElectric solid-state devices not otherwise provided for9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1996Patents assigned to KUREHA CHEMICAL IND CO LTD (5)· patent assignee history
1977Based in Ohyaguchikami, JA· patent location history
1990–1992Based in Inashiki-gun, JP· patent location history
1992Patents assigned to OLYMPUS OPTICAL CO (2)· patent assignee history
1992Based in Kukizaki, JP· patent location history
1996Based in Ibaraki, JP· patent location history
1997Patents assigned to FUJITSU LTD (1)· patent assignee history
1997Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KUREHA CHEMICAL IND CO LTD51977–1996
OLYMPUS OPTICAL CO21992
FUJITSU LTD11997
Locations
LocationPatentsSpan
Inashiki-gun, JP31990–1992
Kawasaki, JP11997
Ibaraki, JP11996
Kukizaki, JP11992
Ohyaguchikami, JA11977