Inventor
Kuniharu Hayashi
Inventor
Tokyo, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters35%
G03GElectrography30%
H02KDynamo-electric machines10%
Y10TTechnical subjects covered by former us classification10%
G05BControl or regulating systems in general5%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
6,397,021'Image forming apparatus'20026,009,299'Electrophotographic imaging apparatus using multi-layered toner'19995,974,277'Electrophotographic printing apparatus with two charging bodies'19995,943,533'Method and apparatus for forming an electrostatic latent image with toner recovery'19995,839,021'Developing unit for an electrophotographic printer employing a supply roller for transferring toner to a developing roller'19985,765,076'Method and apparatus for forming an electrostatic latent image with toner recovery'19985,702,189'Rack and pinion cleaning mechanism in a serial printer'19975,260,616'Permanent magnet type stepping motor'19934,929,102'Ribbon protector including electro-conductive elements and platen gap adjustment device incorporating the same'19904,823,038'Stepping motor'19894,818,129'Method for correcting bidirectional printing alignment of a serial dot printer'19894,769,585'Method of controlling a line-feed stepping motor in a printer and a driver circuit therefor'19884,750,881'Easily assembled carriage mechanism of printer'19884,738,552'Platen gap adjusting mechanism of printer'19884,687,361'Rack mount for a rack and pinion carriage moving mechanism'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1997Patents assigned to OKI ELECTRIC IND CO LTD (9)· patent assignee history
1987–1999Based in Tokyo, JP· patent location history
1998–2002Patents assigned to OKI DATA KK (6)· patent assignee history
2002Based in Ube, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OKI ELECTRIC IND CO LTD | 9 | 1987–1997 |
| OKI DATA KK | 6 | 1998–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 14 | 1987–1999 |
| Ube, JP | 1 | 2002 |