Inventor
RYOSUKE TACHI
Inventor
JP
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Kprimary
G10KSound-producing devices25%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers24%
G10LSpeech analysis techniques or speech synthesis14%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for8%
B21BRolling of metal3%
B60NSeats specially adapted for vehicles3%
C21DModifying the physical structure of ferrous metals3%
H04MTelephonic communication3%
H04SStereophonic systems3%
A47CChairs2%
PatentTitleYear
12,513,440Speaker202512,499,743Signal processing for haptic seating systems202512,464,284Communication support system202512,394,403Active noise control system202512,356,145Speaker displacement detection calibration method and speaker displacement detection apparatus202512,338,942Seamless steel pipe and method of manufacture thereof202512,262,194Dynamic acoustic control systems and methods202512,112,733Communication support system202412,052,549Speaker202412,035,115Speaker distortion correction device202411,956,604In-vehicle communication support system202411,922,916Active noise control system202411,805,367Speaker202311,756,523Active noise control system202311,622,195Active noise control system utilizing noise cancellation sounds202311,501,748Active noise control system202211,482,204Active noise control system202211,462,205In-vehicle communication support system202211,463,808Active noise control system202211,462,203In-vehicle communication support system202211,462,202Active noise control system based on head position202211,441,203Method for quenching steel pipe, equipment for quenching steel pipe, and method for manufacturing steel pipe202211,335,314Active noise control system comprising auxiliary filter selection based on object position202211,276,385Noise reduction device, vehicle, noise reduction system, and noise reduction method2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to ALPS ALPINE CO LTD (19)· patent assignee history
2022–2023Patents assigned to A SCHOOL CORPORATION KANSAI UNIV (7)· patent assignee history
2022Patents assigned to ALPINE ELECTRONICS INC (3)· patent assignee history
2022–2025Patents assigned to JFE STEEL CORP (2)· patent assignee history
2022–2025Based in JP· patent location history
2025Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ALPS ALPINE CO LTD | 19 | 2022–2025 |
| A SCHOOL CORPORATION KANSAI UNIV | 7 | 2022–2023 |
| ALPINE ELECTRONICS INC | 3 | 2022 |
| JFE STEEL CORP | 2 | 2022–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 22 | 2022–2025 |
| US | 2 | 2025 |