Inventor

Yoshiyuki Nakagawa

Inventor
Kawasaki, JP

Overview

8→
Patents
1989–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 8 as inventor

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

B41Jprimary
B41JTypewriters40%
F25BRefrigeration machines, plants or systems20%
G06FElectric digital data processing20%
F24FAir-conditioning10%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications10%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1996Patents assigned to HITACHI LTD (2)· patent assignee history
1989–1996Based in Hadano, JP· patent location history
2021Patents assigned to CANON KK (4)· patent assignee history
2021Patents assigned to DAIKIN IND LTD (2)· patent assignee history
2021Based in Kawasaki, JP· patent location history
2021Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK42021
DAIKIN IND LTD22021
HITACHI LTD21989–1996
Locations
LocationPatentsSpan
Kawasaki, JP42021
Osaka, JP22021
Hadano, JP21989–1996