Inventor

Toshifumi Arai

Inventor

Hitachi, JP

Overview

1992–2011

Patent span

Physics

Primary field (CPC G)

Patents· 18 as inventor

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

G06Fprimary

G06FElectric digital data processing59%

G06VImage or video recognition or understanding10%

G01CMeasuring distances, levels or bearings7%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes7%

G06TImage data processing or generation, in general7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

H04NPictorial communication, e.g. television3%

PatentTitleYear

7,930,100'Computer readable medium storing a map data updating program and map data updating terminal'2011 7,783,421'Navigation device, navigation method, navigation program, server device, and navigation information distribution system'2010 7,006,134'Pen type input device with camera'2006 6,962,287'Information access device and information delivery system'2005 6,385,339'Collaborative learning system and pattern recognition method'2002 6,369,805'Information processing system'2002 6,266,057'Information processing system'2001 6,211,857'Interaction support system and method'2001 6,202,925'System for management of object carrying'2001 6,125,206'Collaborative learning system and pattern recognition method'2000 6,081,260'Information processing system'2000 5,917,490'Interactive information processing system responsive to user manipulation of physical objects and displayed images'1999 5,903,667'Handwritten input information processing apparatus and handwritten input information system using the same'1999 5,841,901'Pattern recognition system'1998 5,777,597'Interaction support system and method'1998 5,732,227'Interactive information processing system responsive to user manipulation of physical objects and displayed images'1998 5,436,639'Information processing system'1995 5,119,479'User interface system in which operation associated with input device may be selectively switched'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2011Patents assigned to HITACHI LTD (16)· patent assignee history

1992–2010Based in Hitachi, JP· patent location history

2005Patents assigned to HITACHI DEVICE ENG (1)· patent assignee history

2005Based in Ibaraki, JP· patent location history

2006Patents assigned to HITACHI VIA MECHANICS LTD (1)· patent assignee history

2011Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	16	1992–2011
HITACHI DEVICE ENG	1	2005
HITACHI VIA MECHANICS LTD	1	2006

Locations

Location	Patents	Span
Hitachi, JP	16	1992–2010
Yokohama, JP	1	2011
Ibaraki, JP	1	2005