Water electrolysis cell and water electrolysis stack
US-12577691-B2 · Mar 17, 2026 · US
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Iwata Ryuichi patents
Iwata Ryuichi is listed as an inventor on 23 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Iwata Ryuichi |
| Total patents | 23 |
| First publication | Sep 24, 2015 |
| Latest publication | Mar 17, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Water electrolysis cell and water electrolysis stack
US-12546016-B2 · Feb 10, 2026 · US
Water electrolysis cell and water electrolysis stack
US-2023313388-A1 · Oct 5, 2023 · US
Water electrolysis cell and water electrolysis stack
US-2023304173-A1 · Sep 28, 2023 · US
Method of controlling load of water electrolysis stack, method of producing hydrogen, and water electrolysis apparatus
US-2023295822-A1 · Sep 21, 2023 · US
Heat pump system and cooling generation method
US-10648710-B2 · May 12, 2020 · US
Fuel cell system
US-10483571-B2 · Nov 19, 2019 · US
Heat exchanger and heat storage system
US-10415891-B2 · Sep 17, 2019 · US
Thermal transpiration flow heat pump
US-10371424-B2 · Aug 6, 2019 · US
Heat pump
US-10365020-B2 · Jul 30, 2019 · US
Recent patents
Latest publications not already listed above.
Heat pump and cooling power generation method
US-10309694-B2 · Jun 4, 2019 · US
Heat pump system and cooling generation method
US-2019049159-A1 · Feb 14, 2019 · US
Adsorption heat pump system and cooling generation method
US-10168081-B2 · Jan 1, 2019 · US
Adsorption heat pump system and cooling generation method
US-10082321-B2 · Sep 25, 2018 · US
Fuel cell system
US-2018019488-A1 · Jan 18, 2018 · US
Adsorption heat pump system and method of generating cooling power
US-9863673-B2 · Jan 9, 2018 · US
Heat exchanger and heat storage system
US-2017241718-A1 · Aug 24, 2017 · US
Thermal transpiration flow heat pump
US-2016341458-A1 · Nov 24, 2016 · US
Heat pump
US-2016320109-A1 · Nov 3, 2016 · US
Heat pump and cooling power generation method
US-2016258658-A1 · Sep 8, 2016 · US
Adsorption heat pump
US-9435573-B2 · Sep 6, 2016 · US
Adsorption heat pump system and cooling generation method
US-2015377525-A1 · Dec 31, 2015 · US
Adsorption heat pump system and cooling generation method
US-2015267947-A1 · Sep 24, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Toyota Chuo Kenkyusho Kk | 18 |
| Toyota Motor Co Ltd | 7 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F25B30/04 | 12 |
| F25B17/083 | 11 |
| Y02A30/27 | 10 |
| Y02B30/00 | 9 |
| Y02B30/64 | 5 |