Inventor

Tomoko Nakagawa

Inventor
Tokyo, JP

Overview

7→
Patents
2003–2020
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

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

G03Gprimary
G03GElectrography40%
G02BOptical elements, systems or apparatus20%
F21VFunctional features or details of lighting devices or systems thereof10%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems10%
H04NPictorial communication, e.g. television10%
LOC3210%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2004Patents assigned to MINOLTA CO LTD (2)· patent assignee history
2003Based in Izumi, JP· patent location history
2004Based in Sakai, JP· patent location history
2012–2020Patents assigned to MITSUBISHI CHEM CORP (4)· patent assignee history
2012Patents assigned to NAKAGAWA TOMOKO (2)· patent assignee history
2012Patents assigned to HIROI MASAYUKI (1)· patent assignee history
2012Patents assigned to KURIHARA SHUNICHIROU (1)· patent assignee history
2012–2020Based in Tokyo, JP· patent location history
2012Based in Yokohama, JP· patent location history
2017–2020Based in Niigata, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI CHEM CORP42012–2020
MINOLTA CO LTD22003–2004
NAKAGAWA TOMOKOself22012
HIROI MASAYUKI12012
KURIHARA SHUNICHIROU12012
Locations
LocationPatentsSpan
Tokyo, JP22012–2020
Niigata, JP22017–2020
Yokohama, JP12012
Sakai, JP12004
Izumi, JP12003