Inventor

Yoshiyuki Nakagawa

Inventor
Kawasaki, JP

Overview

9→
Patents
1976–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 9 as inventor

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

B41Jprimary
B41JTypewriters53%
C07DHeterocyclic compounds7%
F04BPositive-displacement machines for liquids7%
G03CPhotosensitive materials for photographic purposes7%
H01LSemiconductor devices7%
H10DInorganic electric semiconductor devices7%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to KONISHIROKU PHOTO IND (1)· patent assignee history
1976Based in Hino, JP· patent location history
2021Patents assigned to CANON KK (8)· patent assignee history
2021Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK82021
KONISHIROKU PHOTO IND11976
Locations
LocationPatentsSpan
Kawasaki, JP82021
Hino, JP11976