Inventor

Masami Ogawa

Inventor
Tokyo, JP

Overview

10→
Patents
1980–2020
Patent span
Human necessities
Primary field (CPC A)

Patents· 10 as inventor

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

A01Nprimary
A01NPreservation of bodies of humans or animals or plants or parts thereof20%
C07CAcyclic or carbocyclic compounds13%
C07DHeterocyclic compounds13%
G06VImage or video recognition or understanding13%
H04LTransmission of digital information, e.g. telegraphic communication13%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them7%
G03GElectrography7%
H04NPictorial communication, e.g. television7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1983Patents assigned to SANKYO CO (3)· patent assignee history
1980–1983Based in Yasumachi, JP· patent location history
1989–1996Patents assigned to CANON KK (3)· patent assignee history
1989–2020Based in Tokyo, JP· patent location history
2004Patents assigned to ASAHI CHEMICAL IND (1)· patent assignee history
2004Based in Fuji, JP· patent location history
2011Patents assigned to ASAHI KASEI PHARMA CORP (1)· patent assignee history
2020Patents assigned to DENA CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK31989–1996
SANKYO CO31980–1983
ASAHI CHEMICAL IND12004
ASAHI KASEI PHARMA CORP12011
DENA CO LTD12020
Locations
LocationPatentsSpan
Tokyo, JP61989–2020
Yasumachi, JP31980–1983
Fuji, JP12004