Proton conductor, electrolyte membrane, membrane electrode assembly, electrochemical cell and fuel cell stack
US-12463230-B2 · Nov 4, 2025 · US
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Okuyama Yuji patents
Okuyama Yuji is listed as an inventor on 22 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Okuyama Yuji |
| Total patents | 22 |
| First publication | Oct 19, 2017 |
| Latest publication | Nov 4, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Working machine
US-12419206-B2 · Sep 23, 2025 · US
Supporting device for engine peripheral structure
US-2025229624-A1 · Jul 17, 2025 · US
System to adjust object detection direction for agricultural machine
US-12268112-B2 · Apr 8, 2025 · US
Agricultural support system including transport vehicle capable of transporting agricultural machine
US-12213394-B2 · Feb 4, 2025 · US
Work vehicle and control system for work vehicle
US-12137625-B2 · Nov 12, 2024 · US
Electrode catalyst, membrane-electrode assembly, electrochemical cell, and fuel cell system
US-2024222649-A1 · Jul 4, 2024 · US
Proton conductor, electrolyte membrane, membrane electrode assembly, electrochemical cell and fuel cell stack
US-2023006234-A1 · Jan 5, 2023 · US
Agricultural support system
US-2022400597-A1 · Dec 22, 2022 · US
Agricultural machine
US-2022400598-A1 · Dec 22, 2022 · US
Recent patents
Latest publications not already listed above.
Membrane electrode assembly of electrochemical device, membrane electrode assembly of fuel cell, fuel cell, membrane electrode assembly of electrochemical hydrogen pump, electrochemical hydrogen pump, membrane electrode assembly of hydrogen sensor, and hydrogen sensor
US-11515546-B2 · Nov 29, 2022 · US
Work vehicle and control system for work vehicle
US-2022287218-A1 · Sep 15, 2022 · US
Working machine
US-2022287219-A1 · Sep 15, 2022 · US
Membrane electrode assembly of electrochemical device, membrane electrode assembly of fuel cell, fuel cell, membrane electrode assembly of electrochemical hydrogen pump, electrochemical hydrogen pump, membrane electrode assembly of hydrogen sensor, and hydrogen sensor
US-2021005899-A1 · Jan 7, 2021 · US
Travel route generating device and method for generating travel route
US-10884427-B2 · Jan 5, 2021 · US
Membrane electrode assembly of electrochemical device, membrane electrode assembly of fuel cell, fuel cell, membrane electrode assembly of electrochemical hydrogen pump, electrochemical hydrogen pump, membrane electrode assembly of hydrogen sensor, and hydrogen sensor
US-10826075-B2 · Nov 3, 2020 · US
Proton conductor and membrane electrode assembly
US-10763531-B2 · Sep 1, 2020 · US
Travel route generation apparatus and method for generating travel route
US-10598505-B2 · Mar 24, 2020 · US
Proton conductor and membrane electrode assembly
US-2019181481-A1 · Jun 13, 2019 · US
Travel route generation apparatus and method for generating travel route
US-2018164117-A1 · Jun 14, 2018 · US
Travel route generating device and method for generating travel route
US-2018113471-A1 · Apr 26, 2018 · US
Membrane electrode assembly of electrochemical device, membrane electrode assembly of fuel cell, fuel cell, membrane electrode assembly of electrochemical hydrogen pump, electrochemical hydrogen pump, membrane electrode assembly of hydrogen sensor, and hydrogen sensor
US-2017301925-A1 · Oct 19, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Kubota Kk | 12 |
| Panasonic Ip Man Co Ltd | 8 |
| Panasonic Holdings Corp | 1 |
| Toyota Motor Co Ltd | 1 |
| Sumitomo Riko Co Ltd | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| A01B69/008 | 12 |
| H01M8/1213 | 9 |
| Y02E60/50 | 9 |
| H01M2008/1293 | 7 |
| H01M8/1253 | 7 |