LexDanaLexDanabeta
Inventor

Shuji Miyasaka

Inventor
Osaka, JP

Overview

62→
Patents
1998–2021
Patent span
Physics
Primary field (CPC G)

Patents· 62 as inventor

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

G10Lprimary
G10LSpeech analysis techniques or speech synthesis30%
H04SStereophonic systems14%
G06FElectric digital data processing9%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers9%
H04NPictorial communication, e.g. television7%
H04BTransmission6%
G11BInformation storage based on relative movement between record carrier and transducer4%
H03MCoding3%
H04MTelephonic communication2%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for2%
PatentTitleYear
11,127,367Relay device202110,993,060Acoustic signal processing device and acoustic signal processing method202110,873,823Sound processing device and sound processing method202010,602,272Audio signal processor202010,587,940Acoustic device and mobile object202010,567,697Signal processing device and signal processing method202010,564,927Signal processing apparatus and signal processing method202010,560,782Signal processor202010,555,060Acoustic device and mobile object202010,477,326Signal processing device and signal processing method201910,334,389Audio reproduction apparatus and game apparatus201910,262,653Device including speech recognition function and method of recognizing speech201910,237,510Signal processing device and signal processing method201910,075,794Signal processing device201810,002,616Audio decoding device20189,792,902'Device including speech recognition function and method of recognizing speech'20179,788,120'Audio playback device and audio playback method'20179,779,740'Audio encoding device and audio decoding device'20179,472,197'Audio signal processing apparatus and audio signal processing method'20169,153,241'Signal processing apparatus'20158,774,398'Transceiver'20148,694,326'Communication terminal and communication method'20148,688,442'Audio decoding apparatus, audio coding apparatus, and system comprising the apparatuses'20148,311,841'Encoding device, decoding device, and system thereof utilizing band expansion information'20128,284,961'Signal processing device'20128,184,817'Multi-channel acoustic signal processing device'20128,151,254'Compiler, compiler apparatus and compilation method'20128,081,764'Audio decoder'20118,073,703'Acoustic signal processing apparatus and acoustic signal processing method'20118,046,217'Geometric calculation of absolute phases for parametric stereo decoding'20118,019,614'Energy shaping apparatus and energy shaping method'20117,984,243'Cache memory and method for cache entry replacement based on modified access order'20117,860,721'Audio encoding device, decoding device, and method capable of flexibly adjusting the optimal trade-off between a code rate and sound quality'20107,848,931'Audio encoder'20107,613,306'Audio encoder and audio decoder'20097,454,575'Cache memory and its controlling method'20087,284,241'Compiler, compiler apparatus and compilation method'20077,260,540'Encoding device, decoding device, and system thereof utilizing band expansion information'20077,243,061'Multistage inverse quantization having a plurality of frequency bands'20077,188,133'Floating point number storage method and floating point arithmetic device'20077,185,176'Processor executing SIMD instructions'20077,069,223'Compressed code decoding device and audio decoding device'20066,999,828'Parallel signal processing device for a portable audio system'20066,917,712'Encoding apparatus and decoding apparatus'20056,904,404'Multistage inverse quantization having the plurality of frequency bands'20056,904,089'Encoding device and decoding device'20056,898,615'Signal processing unit and signal processing method including using an exponent part and a mantissa part for power generation'20056,826,526'AUDIO SIGNAL CODING METHOD, DECODING METHOD, AUDIO SIGNAL CODING APPARATUS, AND DECODING APPARATUS WHERE FIRST VECTOR QUANTIZATION IS PERFORMED ON A SIGNAL AND SECOND VECTOR QUANTIZATION IS PERFORMED ON AN ERROR COMPONENT RESULTING FROM THE FIRST VECTOR QUANTIZATION'20046,823,310'Audio signal processing device and audio signal high-rate reproduction method used for audio visual equipment'20046,678,653'Apparatus and method for coding audio data at high speed using precision information'20046,631,352'Decoding circuit and reproduction apparatus which mutes audio after header parameter changes'20036,546,105'Sound image localization device and sound image localization method'20036,484,142'Encoder using Huffman codes'20026,460,016'Audio decoding device for decoding coded audio information with multiple channels'20026,363,407'Exponential calculation device and decoding device'20026,356,639'AUDIO DECODING APPARATUS, SIGNAL PROCESSING DEVICE, SOUND IMAGE LOCALIZATION DEVICE, SOUND IMAGE CONTROL METHOD, AUDIO SIGNAL PROCESSING DEVICE, AND AUDIO SIGNAL HIGH-RATE REPRODUCTION METHOD USED FOR AUDIO VISUAL EQUIPMENT'20026,304,890'Exponential calculation device and decoding device'20016,297,754'Decoding device'20016,295,319'Decoding device'20016,233,562'Audio decoding device and signal processing device for decoding multi-channel signals with reduced memory requirements'20016,118,821'Compressed code decoding device and audio decoding device'20005,845,247'Reproducing apparatus'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (26)· patent assignee history
1998–2012Based in Neyagawa, JP· patent location history
2001–2019Based in Osaka, JP· patent location history
2009–2016Patents assigned to PANASONIC CORP (16)· patent assignee history
2011–2015Patents assigned to MIYASAKA SHUJI (9)· patent assignee history
2011–2014Patents assigned to NORIMATSU TAKESHI (5)· patent assignee history
2016–2021Patents assigned to SOCIONEXT INC (18)· patent assignee history
2019–2021Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD261998–2008
SOCIONEXT INC182016–2021
PANASONIC CORP162009–2016
MIYASAKA SHUJIself92011–2015
NORIMATSU TAKESHI52011–2014
Locations
LocationPatentsSpan
Osaka, JP292001–2019
Neyagawa, JP231998–2012
Yokohama, JP102019–2021