Secondary battery
US-12573608-B2 · Mar 10, 2026 · US
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Tajima Ryota patents
Tajima Ryota is listed as an inventor on 255 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Tajima Ryota |
| Total patents | 255 |
| First publication | Jan 15, 2015 |
| Latest publication | Mar 10, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Battery and manufacturing method of the same
US-12573723-B2 · Mar 10, 2026 · US
Power storage system
US-2026058487-A1 · Feb 26, 2026 · US
Power storage device, method for manufacturing power storage device and electronic device
US-2026045556-A1 · Feb 12, 2026 · US
Method for charging battery
US-2025385535-A1 · Dec 18, 2025 · US
Secondary battery and electronic device
US-12489134-B2 · Dec 2, 2025 · US
Power storage device and method for operating power storage device
US-12451714-B2 · Oct 21, 2025 · US
Semiconductor device sensor unit
US-12444779-B2 · Oct 14, 2025 · US
Battery module, method for manufacturing battery module, and electronic device
US-2025316857-A1 · Oct 9, 2025 · US
Power storage device, method for manufacturing power storage device, and electronic device
US-12418049-B2 · Sep 16, 2025 · US
Recent patents
Latest publications not already listed above.
Electronic device including secondary battery
US-12388109-B2 · Aug 12, 2025 · US
Battery module, method for manufacturing battery module, and electronic device
US-12374761-B2 · Jul 29, 2025 · US
Secondary battery and electronic device
US-12368180-B2 · Jul 22, 2025 · US
Solid-state secondary battery
US-12334507-B2 · Jun 17, 2025 · US
Electronic device with secondary battery
US-12308379-B2 · May 20, 2025 · US
Manufacturing apparatus for solid-state secondary battery and method for manufacturing solid-state secondary battery
US-2025125329-A1 · Apr 17, 2025 · US
Display device and driving support system
US-12277874-B2 · Apr 15, 2025 · US
Secondary battery
US-2025118802-A1 · Apr 10, 2025 · US
Protection circuit for secondary battery and abnormality detection system of secondary battery
US-12266957-B2 · Apr 1, 2025 · US
All-solid-state battery and manufacturing method thereof
US-2025062349-A1 · Feb 20, 2025 · US
Secondary battery
US-12230817-B2 · Feb 18, 2025 · US
Power storage device and electronic device
US-12230761-B2 · Feb 18, 2025 · US
Connecting member, power supply device, electronic device, and system
US-12222683-B2 · Feb 11, 2025 · US
Solid-state secondary battery and manufacturing method thereof
US-2025046864-A1 · Feb 6, 2025 · US
Battery and method for manufacturing battery
US-2025030040-A1 · Jan 23, 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
Battery
US-2024421445-A1 · Dec 19, 2024 · US
Power storage device and vehicle
US-2024405308-A1 · Dec 5, 2024 · US
Semiconductor device
US-2024396105-A1 · Nov 28, 2024 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Semiconductor Energy Lab | 251 |
| Mercari Inc | 3 |
| Tajima Ryota | 3 |
| Tokunaga Hajime | 1 |
| Semiconductor Laboratory Energy Co Ltd | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02E60/10 | 239 |
| Y02P70/50 | 137 |
| H01M2220/30 | 118 |
| H01M10/0525 | 97 |
| H01M10/0585 | 72 |