Wind instrument
US-D929494-S · Aug 31, 2021 · US
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Tatsumi Keizo patents
Tatsumi Keizo is listed as an inventor on 12 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Tatsumi Keizo |
| Total patents | 12 |
| First publication | Sep 20, 2016 |
| Latest publication | Aug 31, 2021 |
Notable patents
Publications ranked by popularity score, then publication date.
Wind instrument
US-D929495-S · Aug 31, 2021 · US
Case for wind instrument
US-D893859-S · Aug 25, 2020 · US
Piano performance controller
US-D865044-S · Oct 29, 2019 · US
Piano
US-D839954-S · Feb 5, 2019 · US
Piano
US-D837284-S · Jan 1, 2019 · US
Wind instrument
US-D826316-S · Aug 21, 2018 · US
Wind instrument
US-D823375-S · Jul 17, 2018 · US
Mute
US-D820901-S · Jun 19, 2018 · US
Mute
US-D818034-S · May 15, 2018 · US
Recent patents
Latest publications not already listed above.
Silencer for wind instrument
US-9583079-B2 · Feb 28, 2017 · US
Electric violin
US-D767016-S · Sep 20, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Yamaha Corp | 12 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G10D9/06 | 1 |