Inventor
Douglas A. Smith
Inventor
Grand Rapids, MI, US
Overview
Patents· 41 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks18%
H04LTransmission of digital information, e.g. telegraphic communication16%
G06FElectric digital data processing15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
A47CChairs7%
G06NComputing arrangements based on specific computational models5%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes5%
Y10TTechnical subjects covered by former us classification5%
G11BInformation storage based on relative movement between record carrier and transducer4%
H04BTransmission3%
PatentTitleYear
10,740,377Identifying categories within textual data202010,621,219Techniques for determining a semantic distance between subjects202010,599,694Determining a semantic distance between subjects202010,423,649Natural question generation from query data using natural language processing system201910,339,167System and method for generating full questions from natural language queries201910,339,168System and method for generating full questions from natural language queries201910,296,574Contextual ink annotation in a mapping interface201910,242,002Phenomenological semantic distance from latent dirichlet allocations (LDA) classification201910,229,184Phenomenological semantic distance from latent dirichlet allocations (LDA) classification201910,157,178Identifying categories within textual data20189,201,603'Dynamic logical mapping'20159,059,925'Method for multicast load balancing in wireless LANs'20158,306,027'Method for multicast load balancing in wireless LANS'20128,184,564'Staggering bursts of broadcast management frames in a wireless network device having a plurality of MAC addresses'20127,844,057'Roaming using reassociation'20107,760,629'Aggregate data frame generation'20107,706,345'Wireless local area network context control protocol'20107,561,549'Wireless local area network context control protocol'20097,362,776'Method for multicast load balancing in wireless LANs'20087,350,077'802.11 using a compressed reassociation exchange to facilitate fast handoff'20087,188,253'Wireless authentication protocol'20077,013,157'Method for multicast delivery with designated acknowledgment'20066,996,714'Wireless authentication protocol'20066,343,985'Roof ridge ventilator system of natural fiber matting'20026,138,019'Cellular system hand-off protocol'20006,088,591'Cellular system hand-off protocol'20005,842,264'Chair construction and method of assembly'19985,662,381'Chair construction and method of assembly'19975,630,643'Upholstered chair with two-piece shell'19975,629,404'Impact resistant polymers based on bisphenol-A-polycarbonate'19975,540,481'Chair with zero front rise control'1996D0360770'Chair'1995D0355303'Chair'1995D0351070'Chair'19945,318,346'Chair with zero front rise control'1994D0340539'Desk lamp'19934,619,190'Vertical bed portable cooking grill'19864,074,326'Plural-track record disk initialization system'19784,056,830'Utilizing data for transducer positioning'19774,030,130'Transducer head assembly and apparatus for using same in a plural- track record disk system'19774,025,859'Drive system for switched inductive loads particularly for multi-phase stepping motors'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1978Patents assigned to BURROUGHS CORP (4)· patent assignee history
1986–2015Patents assigned to SMITH DOUGLAS A (5)· patent assignee history
1994–1998Patents assigned to STEELCASE INC (8)· patent assignee history
1994–1998Based in Grand Rapids, MI, US· patent location history
2006–2012Based in Stouffville, CA· patent location history
2007–2015Patents assigned to CISCO TECH INC (10)· patent assignee history
2008–2010Based in Stouffvile, CA· patent location history
2018–2020Patents assigned to IBM (9)· patent assignee history
2019–2020Based in Sunnyvale, CA, US· patent location history
2020Based in Santa Clara, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CISCO TECH INC | 10 | 2007–2015 |
| IBM | 9 | 2018–2020 |
| STEELCASE INC | 8 | 1994–1998 |
| SMITH DOUGLAS Aself | 5 | 1986–2015 |
| BURROUGHS CORP | 4 | 1977–1978 |
Locations
| Location | Patents | Span |
|---|---|---|
| Grand Rapids, MI, US | 8 | 1994–1998 |
| Stouffville, CA | 7 | 2006–2012 |
| Sunnyvale, California, US | 6 | 2019–2020 |
| Stouffvile, CA | 4 | 2008–2010 |
| Santa Clara, California, US | 2 | 2020 |