Inventor

Simon Ha

Inventor

Aurora, IL, US

Overview

13→

Patents

1998–2009

Patent span

Physics

Primary field (CPC G)

Patents· 13 as inventor

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

G08Bprimary

G08BSignalling systems, e.g. personal calling systems33%

H05BElectric heating27%

A63FCard, board, or roulette games7%

A63HToys, e.g. tops, dolls, hoops or building blocks7%

B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general7%

G01FMeasuring volume, volume flow, mass flow or liquid level7%

H02HEmergency protective circuit arrangements7%

Y10TTechnical subjects covered by former us classification7%

PatentTitleYear

7,501,935'Multi-frequency fire alarm sounder'2009 7,333,004'Self-adjusting strobe'2008 7,246,732'Model display stand system'2007 6,897,772'Multi-function control system'2005 6,856,241'Variable candela strobe'2005 6,833,783'Processor based strobe with feedback'2004 6,822,400'Processor controlled strobe'2004 6,661,337'Processor based strobe with feedback'2003 6,462,655'Zone check test system'2002 6,275,160'Multi-mode waterflow detector with electronic timer'2001 6,084,521'Waterflow detector with electronic timer'2000 6,049,446'Alarm systems and devices incorporating current limiting circuit'2000 5,850,178'Alarm system having synchronizing pulse generator and synchronizing pulse missing detector'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2002Patents assigned to PITTWAY CORP (5)· patent assignee history

1998–2009Based in Aurora, IL, US· patent location history

2003–2009Patents assigned to HONEYWELL INT INC (7)· patent assignee history

2007Patents assigned to HA SIMON (1)· patent assignee history

2007Based in Markham, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HONEYWELL INT INC	7	2003–2009
PITTWAY CORP	5	1998–2002
HA SIMONself	1	2007

Locations

Location	Patents	Span
Aurora, Illinois, US	12	1998–2009
Markham, CA	1	2007