Inventor
Sung S. Chang
Inventor
Stamford, CT, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G07Bprimary
G07BTicket-issuing apparatus33%
G11BInformation storage based on relative movement between record carrier and transducer24%
G06FElectric digital data processing14%
B07CPostal sorting5%
B43MBureau accessories not otherwise provided for5%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables5%
G01GWeighing5%
G05BControl or regulating systems in general5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
7,607,144'Method for detecting size of the optical disk and ejecting optical disk'20097,447,120'Method of determining an optimal control profile for adjusting tray-in/out speeds of an optical disk drive'20087,221,985'On-screen calibration system and operating method thereof'20077,190,648'Method of dynamically partitioning a memory of a recording medium'20077,133,341'System and method for optical disc drive adjustment'20065,644,486'Programmable controller for mechanical systems'19975,618,037'Method for maintaining mailpiece integrity'19975,612,888'Method and apparatus for generating a mailpiece'19975,517,797'Envelope positioning apparatus for inserting machine'19965,437,445'Method and apparatus for detecting double fed sheets'19954,933,616'Drive control system for imprinting apparatus'19904,910,686'Postage meter with non-dollar amount indicia'19904,845,632'Electonic postage meter system having arrangement for rapid storage of critical postage accounting data in plural nonvolatile memories'19894,817,004'Electronic postage meter operating system'19894,805,109'Nonvolatile memory protection arrangement for electronic postage meter system having plural nonvolatile memories'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1997Patents assigned to PITNEY BOWES INC (10)· patent assignee history
1989–1997Based in Stamford, CT, US· patent location history
2006–2009Patents assigned to LITE ON IT CORP (5)· patent assignee history
2006–2009Based in Taipei, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PITNEY BOWES INC | 10 | 1989–1997 |
| LITE ON IT CORP | 5 | 2006–2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Stamford, CT, US | 10 | 1989–1997 |
| Taipei, TW | 5 | 2006–2009 |