Inventor
Yeong-Chang Lien
Inventor
Briarcliff Manor, NY, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing40%
H04QSelecting30%
H04LTransmission of digital information, e.g. telegraphic communication15%
G11CStatic stores5%
H04JMultiplex communication5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
5,600,780'Programming environment system for customizing a program application based upon user input'19975,537,548'Method of computer conferencing by intercepting commands issued by application programs and redirecting to all stations for execution'19965,522,024'Programming environment system for customizing a program application based upon user input'19965,509,116'Graphical user interface management system'19965,386,567'Hot removable and insertion of attachments on fully initialized computer systems'19955,179,700'User interface customization apparatus'19935,040,169'Wavelength division photonic switch'19914,933,930'High speed switch as for an optical communication system'19904,879,551'Switching array with concurrent marking capability'19894,845,669'Transporsable memory architecture'19894,833,670'Cross-point bit-switch for communication'19894,817,094'Fault tolerant switch with selectable operating modes'19894,785,446'Distributed bit switching of a multistage interconnection network'19884,706,150'Switching protocal for multiple autonomous switching planes'19874,679,190'Distributed voice-data switching on multi-stage interconnection networks'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1997Patents assigned to IBM (15)· patent assignee history
1987–1989Based in Briarcliff Manor, NY, US· patent location history
1990–1996Based in Armonk, NY, US· patent location history
1993–1997Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 15 | 1987–1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Briarcliff Manor, New York, US | 7 | 1987–1989 |
| Tokyo, JP | 4 | 1993–1997 |
| Armonk, New York, US | 4 | 1990–1996 |