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Inventor

Ryo Tsutsui

Inventor
Ibaraki, JP

Overview

14→
Patents
2010–2015
Patent span
Electricity
Primary field (CPC H)

Patents· 14 as inventor

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

H04Sprimary
H04SStereophonic systems30%
G10LSpeech analysis techniques or speech synthesis20%
G02BOptical elements, systems or apparatus10%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers10%
A61BDiagnosis5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
G07FCoin-freed or like apparatus5%
H03CModulation5%
H03GControl of amplification5%
H03HImpedance networks, e.g. resonant circuits5%
PatentTitleYear
8,976,980'Modulation of audio signals in a parametric speaker'20158,782,109'Asynchronous sample rate conversion using a polynomial interpolator with minimax stopband attenuation'20148,275,475'Method and system for estimating frequency and amplitude change of spectral peaks'20128,210,728'LED illumination apparatus with feedback control means'20128,142,270'Game system and game control method'20128,085,940'Rebalancing of audio'20118,036,394'Audio bandwidth expansion'20118,019,086'Stereo synthesizer using comb filters and intra-aural differences'20117,920,708'Low computation mono to stereo conversion using intra-aural differences'20117,885,414'Band-selectable stereo synthesizer using strictly complementary filter pair'20117,852,553'Microscope illumination apparatus'20107,715,573'Audio bandwidth expansion'20107,676,043'Audio bandwidth expansion'20107,676,048'Graphic equalizers'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2015Patents assigned to TEXAS INSTRUMENTS INC (11)· patent assignee history
2010–2012Patents assigned to OLYMPUS CORP (2)· patent assignee history
2010–2012Based in Ibaraki, JP· patent location history
2010–2014Based in Tsukuba, JP· patent location history
2010–2012Based in Akishima, JP· patent location history
2011–2015Patents assigned to TSUTSUI RYO (6)· patent assignee history
2011–2012Patents assigned to SAKURAI ATSUHIRO (2)· patent assignee history
2011–2012Patents assigned to TRAUTMANN STEVEN DAVID (2)· patent assignee history
2012–2015Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TEXAS INSTRUMENTS INC112010–2015
TSUTSUI RYOself62011–2015
OLYMPUS CORP22010–2012
SAKURAI ATSUHIRO22011–2012
TRAUTMANN STEVEN DAVID22011–2012
Locations
LocationPatentsSpan
Ibaraki, JP72010–2012
Tsukuba, JP32010–2014
Tokyo, JP22012–2015
Akishima, JP22010–2012