Solar cell
US-11626258-B2 · Apr 11, 2023 · US
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Kumagai Yu patents
Kumagai Yu is listed as an inventor on 12 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Kumagai Yu |
| Total patents | 12 |
| First publication | Feb 7, 2017 |
| Latest publication | Apr 11, 2023 |
Notable patents
Publications ranked by popularity score, then publication date.
Multi-junction light energy conversion element, device comprising the same, and fabrication method of SnZn2N2
US-11417784-B2 · Aug 16, 2022 · US
Solar cell
US-2022013303-A1 · Jan 13, 2022 · US
Inorganic compound semiconductor, method for manufacturing same, and light energy conversion element using same
US-2021408305-A1 · Dec 30, 2021 · US
Zinc nitride compound and method for producing same
US-10737947-B2 · Aug 11, 2020 · US
Light energy conversion element and device comprising the same
US-10629764-B2 · Apr 21, 2020 · US
Light energy conversion element and device comprising the same
US-2019386165-A1 · Dec 19, 2019 · US
MULTI-JUNCTION LIGHT ENERGY CONVERSION ELEMENT, DEVICE COMPRISING THE SAME, AND FABRICATION METHOD OF SnZn2N2
US-2019305154-A1 · Oct 3, 2019 · US
Zinc nitride compound and method for producing same
US-2019248670-A1 · Aug 15, 2019 · US
Zinc nitride compound and method for producing same
US-10308521-B2 · Jun 4, 2019 · US
Recent patents
Latest publications not already listed above.
Zinc nitride compound and method for producing same
US-2018354791-A1 · Dec 13, 2018 · US
Engine intake control apparatus
US-9562483-B2 · Feb 7, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Panasonic Ip Man Co Ltd | 7 |
| Panasonic Corp | 4 |
| Keihin Corp | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H10F77/12 | 9 |
| H01L31/032 | 7 |
| C01B21/0602 | 6 |
| C01P2002/77 | 6 |
| C01P2006/40 | 6 |