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Inventor

Akio Kotani

Inventor
Osaka, JP

Overview

8→
Patents
1990–2000
Patent span
Physics
Primary field (CPC G)

Patents· 8 as inventor

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

G03Gprimary
G03GElectrography38%
B60PVehicles adapted for load transportation or to transport, to carry, or to comprise special loads or objects13%
B63BShips or other waterborne vessels13%
E04FFinishing work on buildings, e.g. stairs, floors13%
F16LPipes13%
G05DSystems for controlling or regulating non-electric variables6%
H05BElectric heating6%
PatentTitleYear
6,161,989'Antifouling wall structure for use in pipe and method of constructing the antifouling wall therefor'20005,885,029'Antifouling wall structure, method of constructing antifouling wall and antifouling wall panel transporter therefor'19995,359,178'Apparatus for detecting turn-on state of plural heat lamps of a thermal fixing unit of a copying machine'19945,285,242'Image forming apparatus controlled according to changing sensitivity of photoconductor'19945,216,464'Image forming apparatus having replaceable element which is replaced based on frequency of use'19935,150,159'Copying machine capable of providing indexes'19925,113,221'Image forming apparatus having a plurality of toner developers including white toner'19924,972,447'Preset counter apparatus for copying machines and the like'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1994Patents assigned to MINOLTA CAMERA KK (6)· patent assignee history
1990–2000Based in Osaka, JP· patent location history
1993–1994Based in Aichi, JP· patent location history
1999–2000Patents assigned to CHUGOKU PAINTS LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINOLTA CAMERA KK61990–1994
CHUGOKU PAINTS LTD21999–2000
Locations
LocationPatentsSpan
Osaka, JP51990–2000
Aichi, JP31993–1994