Inventor

Alpha Hou

Inventor

San Jose, CA, US

Overview

16→

Patents

2000–2005

Patent span

Electricity

Primary field (CPC H)

Patents· 16 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television63%

G06VImage or video recognition or understanding16%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them11%

G06FElectric digital data processing5%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation5%

PatentTitleYear

6,922,284'Method for automatically controlling the length of projection screen and multi-purpose apparatus thereof'2005 6,891,979'Pocket scanners'2005 6,836,361'Method and apparatus to increase visual contrast for video projection screen'2004 6,704,124'Mobile scanners'2004 6,646,682'Linear tri-color image sensors'2003 6,603,108'Image sensing modules for portable optical scanners'2003 6,596,979'Method and apparatus for scanning colors using multiple arrays of photodetectors'2003 6,587,145'Image sensors generating digital signals from light integration processes'2003 6,546,152'Method and apparatus for providing images in portable 2-D scanners'2003 6,459,506'Lightweight dual-mode mobile scanner powered from a universal serial bus port'2002 6,275,309'Lightweight mobile scanners'2001 6,271,939'Transparent and flatbed scanner'2001 6,249,618'Circuit architecture and method for switching sensor resolution'2001 6,104,510'Hybrid illumination system for accelerating light integration in image sensing systems'2000 6,054,707'Portable scanners capable of scanning both opaque and transparent materials'2000 6,031,639'Apparatus for scanning both opaque transparent originals'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2004Patents assigned to SYSCAN INC (9)· patent assignee history

2000Patents assigned to MICROTEK ARTIX CORP (1)· patent assignee history

2000–2005Based in San Jose, CA, US· patent location history

2003Patents assigned to SYSCAN TECHNOLOGY SHENZHEN CO (4)· patent assignee history

2003–2004Patents assigned to SYSCAN SHENZHEN TECHNOLOGY CO (2)· patent assignee history

2005Patents assigned to SHENZHEN SYSCAN TECHNOLOGY CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SYSCAN INC	9	2000–2004
SYSCAN TECHNOLOGY SHENZHEN CO	4	2003
SYSCAN SHENZHEN TECHNOLOGY CO	2	2003–2004
MICROTEK ARTIX CORP	1	2000
SHENZHEN SYSCAN TECHNOLOGY CO	1	2005

Locations

Location	Patents	Span
San Jose, California, US	16	2000–2005