Inventor
John T. Johnston
Inventor
San Jose, CA, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing36%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests21%
B64CAeroplanes14%
G05DSystems for controlling or regulating non-electric variables7%
H04LTransmission of digital information, e.g. telegraphic communication7%
H04MTelephonic communication7%
H04QSelecting7%
PatentTitleYear
6,356,554'Systems and methods for multiple mode voice and data communications using intelligently bridged TDM and packet buses and methods for performing telephony and data functions using the same'20025,855,016'Sorting system for serially processing records'19985,678,787'Door assembly with shear layer control aperture'19975,520,358'Door assembly with shear layer control aperture'19965,349,684'Sort and merge system using tags associated with the current records being sorted to lookahead and determine the next record to be sorted'19945,319,651'Data integrity features for a sort accelerator'19945,206,947'Stable sorting for a sort accelerator'19935,111,465'Data integrity features for a sort accelerator'19924,302,745'Aircraft load factor overload warning system'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981Patents assigned to US AIR FORCE (1)· patent assignee history
1981Based in St. Charles, MO, US· patent location history
1992–1998Patents assigned to DIGITAL EQUIPMENT CORP (5)· patent assignee history
1992–1998Based in San Jose, CA, US· patent location history
1993–1998Patents assigned to NAT SEMICONDUCTOR CORP (4)· patent assignee history
1996–1997Patents assigned to E SYSTEMS INC (2)· patent assignee history
1996–1997Based in Greenville, TX, US· patent location history
2002Patents assigned to VERTICAL NETWORKS INC (1)· patent assignee history
2002Based in Orinda, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DIGITAL EQUIPMENT CORP | 5 | 1992–1998 |
| NAT SEMICONDUCTOR CORP | 4 | 1993–1998 |
| E SYSTEMS INC | 2 | 1996–1997 |
| US AIR FORCE | 1 | 1981 |
| VERTICAL NETWORKS INC | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 5 | 1992–1998 |
| Greenville, Texas, US | 2 | 1996–1997 |
| Orinda, California, US | 1 | 2002 |
| St. Charles, MO, US | 1 | 1981 |