Inventor
Takayuki Arakawa
Inventor
Tokyo, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Lprimary
G10LSpeech analysis techniques or speech synthesis58%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers8%
A61BDiagnosis4%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
G06FElectric digital data processing4%
G06NComputing arrangements based on specific computational models4%
G10HElectrophonic musical instruments4%
G21CNuclear reactors4%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%
PatentTitleYear
11,078,036Sheet conveyor and image forming apparatus202110,867,019Personal authentication device, personal authentication method, and personal authentication program using acoustic signal propagation20209,613,631'Noise suppression system, method and program'20179,583,095'Speech processing device, method, and storage medium'20179,299,360'Speech processing apparatus, control method thereof, storage medium storing control program thereof, and vehicle, information processing apparatus, and information processing system including the speech processing apparatus'20169,293,131'Voice activity segmentation device, voice activity segmentation method, and voice activity segmentation program'20169,286,913'Atmosphere expression word selection system, atmosphere expression word selection method, and program'20169,245,524'Speech recognition device, speech recognition method, and computer readable medium'20169,047,562'Data processing device, information storage medium storing computer program therefor and data processing method'20159,002,709'Voice recognition system and voice recognition method'20158,938,389'Voice activity detector, voice activity detection program, and parameter adjusting method'20158,812,313'Voice activity detector, voice activity detection program, and parameter adjusting method'20148,694,308'System, method and program for voice detection'20148,612,225'Voice recognition device, voice recognition method, and voice recognition program'20138,401,844'Gain control system, gain control method, and gain control program'20138,213,563'Control rod'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2017Patents assigned to ARAKAWA TAKAYUKI (14)· patent assignee history
2012Based in Hitachi, JP· patent location history
2013–2020Patents assigned to NEC CORP (14)· patent assignee history
2013–2017Patents assigned to TSUJIKAWA MASANORI (6)· patent assignee history
2013–2017Patents assigned to HANAZAWA KEN (3)· patent assignee history
2013–2020Based in Tokyo, JP· patent location history
2014Based in Minato-ku, JP· patent location history
2015–2017Patents assigned to TANAKA DAISUKE (3)· patent assignee history
2021Based in Nagoya-shi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ARAKAWA TAKAYUKIself | 14 | 2012–2017 |
| NEC CORP | 14 | 2013–2020 |
| TSUJIKAWA MASANORI | 6 | 2013–2017 |
| HANAZAWA KEN | 3 | 2013–2017 |
| TANAKA DAISUKE | 3 | 2015–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 13 | 2013–2020 |
| Nagoya-shi, JP | 1 | 2021 |
| Minato-ku, JP | 1 | 2014 |
| Hitachi, JP | 1 | 2012 |