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Inventor

Nobuo Nakazawa

Inventor
Kawasaki, JP

Overview

11→
Patents
1976–2000
Patent span
Physics
Primary field (CPC G)

Patents· 11 as inventor

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

G03Gprimary
G03GElectrography38%
B41JTypewriters14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
B08BCleaning in general5%
B24BMachines, devices, or processes for grinding or polishing5%
B24DTools for grinding, buffing or sharpening5%
G04GElectronic time-pieces5%
G06FElectric digital data processing5%
G09GArrangements or circuits for control of indicating devices using static means to present variable information5%
G11BInformation storage based on relative movement between record carrier and transducer5%
PatentTitleYear
6,137,986'Fixing roller for improving voltage resistance and fixing apparatus having such fixing roller'20006,033,522'Surface treatment method and apparatus for rotatable disc'20005,974,278'Image formation apparatus'19995,835,681'Fuzzy inference image forming apparatus'19985,579,438'Fuzzy inference image forming apparatus'19965,428,379'Image forming apparatus'19955,249,025'Image forming apparatus having cleaning means'19935,027,161'Image forming apparatus'19914,952,978'Speed control of color development in electrophotographic process and apparatus'19904,471,347'Display driving circuit'19843,986,333'Electronic digital clock'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1984Patents assigned to SHARP KK (2)· patent assignee history
1984Based in Kashihara, JP· patent location history
1990–2000Patents assigned to CANON KK (8)· patent assignee history
1990–1998Based in Kawasaki, JP· patent location history
1995–1996Based in Tokyo, JP· patent location history
1999–2000Based in Toride, JP· patent location history
2000Patents assigned to SYSTEM SEIKO CO LTD (1)· patent assignee history
2000Based in Nagaoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK81990–2000
SHARP KK21976–1984
SYSTEM SEIKO CO LTD12000
Locations
LocationPatentsSpan
Kawasaki, JP41990–1998
Toride, JP21999–2000
Tokyo, JP21995–1996
Nagaoka, JP12000
Kashihara, JP11984