Inventor

Roman Sapiejewski

Inventor

Boston, MA, US

Overview

38→

Patents

1987–2019

Patent span

Electricity

Primary field (CPC H)

Patents· 38 as inventor

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

H04Rprimary

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers69%

G10KSound-producing devices17%

A61FFilters implantable into blood vessels9%

H04BTransmission4%

H04MTelephonic communication2%

PatentTitleYear

10,327,062Earphones2019 10,074,354Providing ambient naturalness in ANR headphones2018 10,034,086Headset porting2018 10,009,681Headset porting2018 9,794,681'Earphones'2017 9,762,990'Headset porting'2017 9,215,522'Earphones'2015 RE045151'Headset noise reducing'2014 8,798,283'Providing ambient naturalness in ANR headphones'2014 8,755,550'Earphones'2014 8,675,885'Adjusting noise reduction in headphones'2014 8,594,351'Equalized earphones'2013 8,571,228'Feedforward ANR device acoustics'2013 8,467,539'High transmission loss cushion'2013 8,374,373'High transmission loss headphone cushion'2013 RE043939'Headset noise reducing'2013 8,355,522'Earphone cushions'2013 8,111,858'Supra-aural headphone noise reducing'2012 8,077,874'Active noise reduction microphone placing'2011 8,073,181'Passive headphone equalizing'2011 8,054,992'High frequency compensating'2011 8,031,878'Electronic interfacing with a head-mounted device'2011 7,970,159'Headphoning'2011 7,916,888'In-ear headphones'2011 7,412,070'Headphoning'2008 6,831,984'Noise reducing'2004 6,683,965'In-the-ear noise reduction headphones'2004 6,597,792'Headset noise reducing'2003 6,567,525'Supra aural active noise reduction headphones'2003 6,333,982'Headset adjusting'2001 5,305,387'Earphoning'1994 5,208,868'Headphone overpressure and click reducing'1993 5,181,252'High compliance headphone driving'1993 4,989,271'Headphone cushioning'1991 4,975,966'Reducing microphone puff noise'1990 4,922,542'Headphone comfort'1990 4,856,118'Headphone cushioning'1989 4,644,581'Headphone with sound pressure sensing means'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2019Patents assigned to BOSE CORP (37)· patent assignee history

1987–2019Based in Boston, MA, US· patent location history

1990–2017Patents assigned to SAPIEJEWSKI ROMAN (13)· patent assignee history

1990Based in Framingham, MA, US· patent location history

2013–2014Patents assigned to HARLOW JASON (4)· patent assignee history

2013Patents assigned to ANNUNZIATO KEVIN P (3)· patent assignee history

2013Patents assigned to COLLIER IAN M (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BOSE CORP	37	1987–2019
SAPIEJEWSKI ROMANself	13	1990–2017
HARLOW JASON	4	2013–2014
ANNUNZIATO KEVIN P	3	2013
COLLIER IAN M	3	2013

Locations

Location	Patents	Span
Boston, Massachusetts, US	37	1987–2019
Framingham, Massachusetts, US	1	1990