Inventor

Katsumi Nagase

Inventor
Yamaguchi, JP

Overview

2→
Patents
1995–2009
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C01Bprimary
C01BNon-metallic elements33%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds33%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein33%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995Patents assigned to SEIKO EPSON CORP (1)· patent assignee history
1995Based in Nagano, JP· patent location history
2009Patents assigned to TOKUYAMA CORP (1)· patent assignee history
2009Based in Yamaguchi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP11995
TOKUYAMA CORP12009
Locations
LocationPatentsSpan
Yamaguchi, JP12009
Nagano, JP11995