Hydrogen production system and hydrogen production method
US-2025333853-A1 · Oct 30, 2025 · US
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Katta Masafumi patents
Katta Masafumi is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Katta Masafumi |
| Total patents | 2 |
| First publication | Sep 8, 2022 |
| Latest publication | Oct 30, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
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US-2022282934-A1 · Sep 8, 2022 · US
Recent patents
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Mitsubishi Heavy Ind Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F28D15/046 | 1 |
| F28D15/0233 | 1 |
| F28D15/04 | 1 |
| H05K7/20336 | 1 |
| C25B9/23 | 1 |