Piezoelectric vibration device and portable terminal using the same
US-9583692-B2 · Feb 28, 2017 · US
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Yamakawa Kenji patents
Yamakawa Kenji holds 3 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 3 |
| Recent patents | 0 |
| First publication | Aug 25, 2015 |
| Latest publication | Feb 28, 2017 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Piezoelectric vibration element, piezoelectric vibration device, and portable terminal
US-9318688-B2 · Apr 19, 2016 · US
Sound generator and sound-generating apparatus
US-9119003-B2 · Aug 25, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Piezoelectric vibration device and portable terminal using the same
US-9583692-B2 · Feb 28, 2017 · US
Piezoelectric vibration element, piezoelectric vibration device, and portable terminal
US-9318688-B2 · Apr 19, 2016 · US
Sound generator and sound-generating apparatus
US-9119003-B2 · Aug 25, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| H04R17/00 | 2 |
| H01L41/0926 | 2 |
| H02N2/02 | 2 |
| H10N30/204 | 2 |
| H04R7/045 | 1 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Electricity | 3 |
| Operations & Transport | 1 |