Electronic device
US-2026072410-A1 · Mar 12, 2026 · US
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Hiroki Masaaki patents
Hiroki Masaaki is listed as an inventor on 178 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Hiroki Masaaki |
| Total patents | 178 |
| First publication | Jan 8, 2015 |
| Latest publication | Mar 12, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Electronic device
US-12517471-B2 · Jan 6, 2026 · US
Electronic device
US-2025370291-A1 · Dec 4, 2025 · US
Light-emitting device and electronic device
US-2025336315-A1 · Oct 30, 2025 · US
Electronic device
US-2025306639-A1 · Oct 2, 2025 · US
Electronic device
US-12422708-B2 · Sep 23, 2025 · US
Secondary battery and electronic device
US-12388110-B2 · Aug 12, 2025 · US
Light-emitting device with circular polarizing plate over bonding layer
US-12380815-B2 · Aug 5, 2025 · US
Electronic device
US-12360568-B2 · Jul 15, 2025 · US
Electronic device
US-2025142740-A1 · May 1, 2025 · US
Recent patents
Latest publications not already listed above.
Secondary battery
US-2025118802-A1 · Apr 10, 2025 · US
Electronic device
US-12256503-B2 · Mar 18, 2025 · US
Power storage unit and solar power generation unit
US-2025070284-A1 · Feb 27, 2025 · US
Current collector, secondary battery, electronic device, and manufacturing method thereof
US-2024429360-A1 · Dec 26, 2024 · US
Secondary battery
US-12176485-B2 · Dec 24, 2024 · US
Electronic device
US-2024411345-A1 · Dec 12, 2024 · US
Power storage unit and solar power generation unit
US-12142738-B2 · Nov 12, 2024 · US
Secondary battery
US-2024356067-A1 · Oct 24, 2024 · US
Electronic device
US-2024353895-A1 · Oct 24, 2024 · US
Electronic device
US-2024345625-A1 · Oct 17, 2024 · US
Electronic device
US-12072736-B2 · Aug 27, 2024 · US
Electronic device
US-2024281035-A1 · Aug 22, 2024 · US
Electronic device
US-12026011-B2 · Jul 2, 2024 · US
Electronic device and glasses-type device including secondary battery
US-2024178456-A1 · May 30, 2024 · US
Electronic device
US-11977410-B2 · May 7, 2024 · US
Electronic device
US-11977415-B2 · May 7, 2024 · US
Electronic device and glasses-type device including secondary battery
US-11894523-B2 · Feb 6, 2024 · US
Secondary battery
US-11888113-B2 · Jan 30, 2024 · US
Light-emitting device and electronic device
US-2024016046-A1 · Jan 11, 2024 · US
Electronic device
US-2024004428-A1 · Jan 4, 2024 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Semiconductor Energy Lab | 179 |
| Hiroki Masaaki | 6 |
| Yamazaki Shunpei | 2 |
| Koyama Jun | 2 |
| Azami Munehiro | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02E60/10 | 118 |
| G06F1/163 | 58 |
| Y02P70/50 | 53 |
| G06F1/1652 | 44 |
| G09F9/301 | 43 |