Inventor

Per-Kristian Halvorsen

Inventor
Los Altos, CA, US

Overview

15→
Patents
1994–2021
Patent span
Physics
Primary field (CPC G)

Patents· 15 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Qprimary
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes33%
G06FElectric digital data processing25%
G06VImage or video recognition or understanding21%
G06NComputing arrangements based on specific computational models8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
G07FCoin-freed or like apparatus4%
PatentTitleYear
11,049,190System and method for automatically generating calculations for fields in compliance forms202110,872,384System and method for generating explanations for year-over-year tax changes202010,796,231Computer-implemented systems and methods for preparing compliance forms to meet regulatory requirements202010,475,133System and method for automated data gathering for completing form201910,235,722Systems and methods for analyzing and determining estimated taxes201910,235,721System and method for automated data gathering for tax preparation201910,163,082Gamification of fields in online e-commerce documents20189,418,385'Assembling a tax-information data structure'20165,748,805'Method and apparatus for supplementing significant portions of a document selected without document image decoding with retrieved information'19985,625,554'Finite-state transduction of related word forms for text indexing and retrieval'19975,491,760'Method and apparatus for summarizing a document without document image decoding'19965,390,259'Methods and apparatus for selecting semantically significant images in a document image without decoding image content'19955,384,863'Methods and apparatus for automatic modification of semantically significant portions of a document without document image decoding'19955,325,444'Method and apparatus for determining the frequency of words in a document without document image decoding'19945,278,980'Iterative technique for phrase query formation and an information retrieval system employing same'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1998Patents assigned to XEROX CORP (7)· patent assignee history
1994–2021Based in Los Altos, CA, US· patent location history
2016–2021Patents assigned to INTUIT INC (8)· patent assignee history
2016Patents assigned to HALVORSEN PER-KRISTIAN G (1)· patent assignee history
2016–2020Based in Los Altos Hills, CA, US· patent location history
2018Patents assigned to ELLIOTT TODD (1)· patent assignee history
2018Patents assigned to HALVORSEN PER KRISTIAN G (1)· patent assignee history
2018Based in Mountain View, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INTUIT INC82016–2021
XEROX CORP71994–1998
ELLIOTT TODD12018
HALVORSEN PER KRISTIAN Gself12018
HALVORSEN PER-KRISTIAN Gself12016
Locations
LocationPatentsSpan
Los Altos, California, US81994–2021
Los Altos Hills, California, US62016–2020
Mountain View, California, US12018