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Inventor

Koji Kishida

Inventor
Himeji, JP

Overview

4→
Patents
1990–2002
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C22Cprimary
C22CAlloys50%
C21DModifying the physical structure of ferrous metals33%
G03GElectrography17%
PatentTitleYear
6,375,765'Ferrite-based thin steel sheet excellent in shape freezing feature and manufacturing method thereof'20026,030,736'Electrophotographic photoconductor with polysiloxane mixture'20004,961,793'High-strength cold-rolled steel sheet having high r value and process for manufacturing the same'19904,925,500'High-strength hot-rolled steel sheet having remarkably excellent cold workability and process for manufacturing the same'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2002Patents assigned to NIPPON STEEL CORP (3)· patent assignee history
1990Based in Himeji, JP· patent location history
2000Patents assigned to RICOH KK (1)· patent assignee history
2000Based in Mitaka, JP· patent location history
2002Based in Tokai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL CORP31990–2002
RICOH KK12000
Locations
LocationPatentsSpan
Himeji, JP21990
Tokai, JP12002
Mitaka, JP12000