Inventor

John A. Perreault

Inventor

Hopkinton, MA, US

Overview

18→

Patents

1997–2016

Patent span

Electricity

Primary field (CPC H)

Patents· 18 as inventor

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

H04Lprimary

H04LTransmission of digital information, e.g. telegraphic communication48%

H04WWireless communication networks13%

H04JMultiplex communication9%

H04MTelephonic communication9%

G11CStatic stores4%

H03MCoding4%

H04BTransmission4%

H04HBroadcast communication4%

H04NPictorial communication, e.g. television4%

PatentTitleYear

9,398,162'Systems and methods for playing recorded announcements'2016 8,953,752'Systems and methods for playing recorded announcements'2015 7,940,657'Identifying attackers on a network'2011 7,672,336'Filtering and policing for defending against denial of service attacks on a network'2010 6,169,728'Apparatus and method for spectrum management in a multipoint communication system'2001 6,114,968'Hybrid contention/polling access method'2000 6,006,017'System for determining the frequency of repetitions of polling active stations relative to the polling of inactive stations'1999 5,809,427'Apparatus and method for channel acquisition in a communication system'1998 5,805,994'Method for transmit power control in a communication system'1998 5,805,586'Method, device and data communication system for multilink polling'1998 5,793,307'Method and apparatus for a hybrid limited contention and polling protocol'1998 5,790,541'Apparatus, method, system and system method for distributed routing in a multipoint communication system'1998 5,754,484'Apparatus and method for utilization of limited write memory'1998 5,699,365'Apparatus and method for adaptive forward error correction in data communications'1997 5,684,802'System and method for hybrid contention/polling protocol collison resolution used backoff timers with polling'1997 5,651,009'System and method for hybrid contention/polling protocol collision resolution using a depth first search technique'1997 5,608,727'Method and system for management of frequency spectrum among multiple applications on a shared medium'1997 5,596,577'Method and system for providing access by secondary stations to a shared transmission medium'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2001Patents assigned to MOTOROLA INC (14)· patent assignee history

1997–2016Based in Hopkinton, MA, US· patent location history

2010–2016Patents assigned to SONUS NETWORKS INC (4)· patent assignee history

2015Patents assigned to LI SHIPING (1)· patent assignee history

2015Patents assigned to PERREAULT JOHN A (1)· patent assignee history

2015Patents assigned to YU XIANG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MOTOROLA INC	14	1997–2001
SONUS NETWORKS INC	4	2010–2016
LI SHIPING	1	2015
PERREAULT JOHN Aself	1	2015
YU XIANG	1	2015

Locations

Location	Patents	Span
Hopkinton, Massachusetts, US	18	1997–2016