Inventor
Takahiro Muraguchi
Inventor
Tokyo, JP
Overview
Patents· 10 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 transducers64%
H04MTelephonic communication21%
A61FFilters implantable into blood vessels7%
H04BTransmission7%
PatentTitleYear
10,645,482Input device202010,299,026Input device20198,842,850'Input device'20146,175,637'Acoustic transducer'20016,160,894'Speaker apparatus and sound reproduction system employing same'20006,035,052'Acoustic transducer'20005,909,496'Speaker apparatus'19995,862,237'Speaker apparatus'19995,668,883'Headphone apparatus including an equalizer system having an open loop characteristic with a rising slope outside the cancellation band'19975,432,874'Duplex optical fiber link'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2020Patents assigned to SONY CORP (10)· patent assignee history
1995–2020Based in Tokyo, JP· patent location history
2014Patents assigned to AKAIKE KAZUHIRO (1)· patent assignee history
2014Patents assigned to MURAGUCHI TAKAHIRO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 10 | 1995–2020 |
| AKAIKE KAZUHIRO | 1 | 2014 |
| MURAGUCHI TAKAHIROself | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 10 | 1995–2020 |