Carbon dioxide recovery system
US-2025381510-A1 · Dec 18, 2025 · US
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Nakashima Seiji patents
Nakashima Seiji is listed as an inventor on 51 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Nakashima Seiji |
| Total patents | 51 |
| First publication | Feb 12, 2015 |
| Latest publication | Dec 18, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Carbon nanotube production method and carbon nanotube production system
US-2025376378-A1 · Dec 11, 2025 · US
Carbon dioxide capture system
US-2025375732-A1 · Dec 11, 2025 · US
Methane generation system
US-2025361638-A1 · Nov 27, 2025 · US
Carbon dioxide recovery system, resource generation system, and carbon dioxide recovery method
US-2025362036-A1 · Nov 27, 2025 · US
Distributed methanation system
US-2025364581-A1 · Nov 27, 2025 · US
Methane synthesis system
US-2025361637-A1 · Nov 27, 2025 · US
Methane generation system
US-2025323299-A1 · Oct 16, 2025 · US
Substrate processing apparatus
US-2025125175-A1 · Apr 17, 2025 · US
Substrate processing system and substrate processing method
US-2024249964-A1 · Jul 25, 2024 · US
Recent patents
Latest publications not already listed above.
Propeller fan and refrigeration cycle apparatus
US-11333166-B2 · May 17, 2022 · US
Propeller fan and outdoor unit for air-conditioning apparatus
US-11149743-B2 · Oct 19, 2021 · US
Semiconductor device and power conversion device
US-11145629-B2 · Oct 12, 2021 · US
Propeller fan, air-conditioning apparatus and ventilator
US-11098734-B2 · Aug 24, 2021 · US
Outdoor unit of air-conditioning apparatus
US-11022327-B2 · Jun 1, 2021 · US
Propeller fan and refrigeration cycle device
US-11002292-B2 · May 11, 2021 · US
Air-sending device and air-conditioning apparatus using the same
US-10890194-B2 · Jan 12, 2021 · US
LED drive circuit, LED drive device, and LED drive system
US-10820385-B2 · Oct 27, 2020 · US
Propeller fan and refrigeration cycle apparatus
US-2020325909-A1 · Oct 15, 2020 · US
Blower apparatus
US-10801518-B2 · Oct 13, 2020 · US
Propeller-shaped impeller and railway carriage air-conditioning apparatus
US-2020269885-A1 · Aug 27, 2020 · US
Semiconductor device and power conversion device
US-2020194405-A1 · Jun 18, 2020 · US
Heat source unit and refrigeration cycle apparatus
US-10648681-B2 · May 12, 2020 · US
Propeller fan, propeller fan device, and air conditioner outdoor unit
US-10634161-B2 · Apr 28, 2020 · US
Propeller fan and outdoor unit for air-conditioning apparatus
US-2020040906-A1 · Feb 6, 2020 · US
Led drive circuit, led drive device, and led drive system
US-2019387591-A1 · Dec 19, 2019 · US
Propeller fan
US-10508662-B2 · Dec 17, 2019 · US
Outdoor unit of air conditioner and refrigeration cycle device
US-10495328-B2 · Dec 3, 2019 · US
Axial flow fan and air-conditioning apparatus including the same
US-10480526-B2 · Nov 19, 2019 · US
Propeller fan, air-conditioning apparatus and ventilator
US-2019293091-A1 · Sep 26, 2019 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Mitsubishi Electric Corp | 44 |
| Rohm Co Ltd | 4 |
| Nakashima Seiji | 3 |
| Tokyo Electron Ltd | 2 |
| Kise Koji | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F04D29/384 | 23 |
| F04D29/667 | 16 |
| F24F1/38 | 14 |
| F05D2240/304 | 10 |
| F05D2240/303 | 10 |