Earphone device
US-9451350-B2 · Sep 20, 2016 · US
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Tsunoda Naotaka patents
Tsunoda Naotaka holds 4 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 4 |
| Recent patents | 0 |
| First publication | Mar 10, 2015 |
| Latest publication | Sep 20, 2016 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
To-be-charged apparatus, charging adapter, electronic apparatus set, and plug unit
US-9385546-B2 · Jul 5, 2016 · US
Sound reproducing device
US-9025799-B2 · May 5, 2015 · US
Sound reproduction device
US-8976987-B2 · Mar 10, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Earphone device
US-9451350-B2 · Sep 20, 2016 · US
To-be-charged apparatus, charging adapter, electronic apparatus set, and plug unit
US-9385546-B2 · Jul 5, 2016 · US
Sound reproducing device
US-9025799-B2 · May 5, 2015 · US
Sound reproduction device
US-8976987-B2 · Mar 10, 2015 · US
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Electricity | 4 |