Liquid ejection head and method for manufacturing same
US-2026034782-A1 · Feb 5, 2026 · US
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Johnson Michiko patents
Johnson Michiko is listed as an inventor on 15 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Johnson Michiko |
| Total patents | 15 |
| First publication | May 21, 2015 |
| Latest publication | Feb 5, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Liquid ejection head and method of inspecting the liquid ejection head
US-12502889-B2 · Dec 23, 2025 · US
Liquid ejection head
US-2025367927-A1 · Dec 4, 2025 · US
Liquid ejection head and method of inspecting the liquid ejection head
US-2024116292-A1 · Apr 11, 2024 · US
Liquid ejection head and method of testing for leaks in liquid supply openings of liquid ejection head
US-11938721-B2 · Mar 26, 2024 · US
Liquid ejection head, method of operating liquid ejecting head, and liquid ejection apparatus
US-11787176-B2 · Oct 17, 2023 · US
Liquid ejection head, and liquid ejection device
US-11691424-B2 · Jul 4, 2023 · US
Liquid ejection head and method of testing for leaks in liquid supply openings of liquid ejection head
US-2022348004-A1 · Nov 3, 2022 · US
Liquid ejection head, method of operating liquid ejecting head, and liquid ejection apparatus
US-2022169024-A1 · Jun 2, 2022 · US
Liquid ejection head, and liquid ejection device
US-2022134755-A1 · May 5, 2022 · US
Recent patents
Latest publications not already listed above.
Image pickup apparatus and image pickup system
US-9653622-B2 · May 16, 2017 · US
Solid-state image capturing apparatus and camera
US-9601536-B2 · Mar 21, 2017 · US
Image capturing apparatus
US-9398236-B2 · Jul 19, 2016 · US
Solid-state image capturing apparatus and camera
US-2015237271-A1 · Aug 20, 2015 · US
Image capturing apparatus
US-2015138404-A1 · May 21, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Canon Kk | 15 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B41J2/14 | 4 |
| B41J2/14072 | 4 |
| B41J2/1623 | 4 |
| B41J2/14145 | 4 |
| B41J2202/12 | 4 |