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Inventor

Kohichi Katoh

Inventor
Kanagawa, JP

Overview

3→
Patents
1995–2010
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G03Gprimary
G03GElectrography40%
G06KGraphical data reading20%
H04NPictorial communication, e.g. television20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
7,724,394'Image forming apparatus and image forming method using pseudo half tone processing with different resolutions'20106,066,429'Toner for development of electrostatic images'20005,474,869'Toner and method of developing'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2010Patents assigned to RICOH KK (3)· patent assignee history
1995Based in Numazu, JP· patent location history
2000–2010Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK31995–2010
Locations
LocationPatentsSpan
Kanagawa, JP22000–2010
Numazu, JP11995