Air treatment system
US-2026063323-A1 · Mar 5, 2026 · US
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Tatsumi Kouji patents
Tatsumi Kouji is listed as an inventor on 20 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Tatsumi Kouji |
| Total patents | 20 |
| First publication | Dec 26, 2019 |
| Latest publication | Mar 5, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Air conditioning system
US-12320540-B2 · Jun 3, 2025 · US
Air supply system
US-12320539-B2 · Jun 3, 2025 · US
Fan unit, fan unit system, and air treatment system
US-12228308-B2 · Feb 18, 2025 · US
Air-conditioning system
US-11698203-B2 · Jul 11, 2023 · US
Air conditioning system
US-11614244-B2 · Mar 28, 2023 · US
Air conditioning system
US-2023019149-A1 · Jan 19, 2023 · US
Air conditioning system
US-11428422-B2 · Aug 30, 2022 · US
Air-conditioning system
US-11402118-B2 · Aug 2, 2022 · US
Air conditioning system
US-2022235961-A1 · Jul 28, 2022 · US
Recent patents
Latest publications not already listed above.
Air supply system
US-2022214071-A1 · Jul 7, 2022 · US
Fan unit, fan unit system, and air treatment system
US-2022214072-A1 · Jul 7, 2022 · US
Air conditioning system
US-2022146124-A1 · May 12, 2022 · US
Air treatment system
US-2022146123-A1 · May 12, 2022 · US
Air conditioning system
US-2022107098-A1 · Apr 7, 2022 · US
Air-conditioning system
US-2022082289-A1 · Mar 17, 2022 · US
Air-conditioning system
US-2022042702-A1 · Feb 10, 2022 · US
Air conditioning system
US-10989429-B2 · Apr 27, 2021 · US
Air conditioning system
US-2020080742-A1 · Mar 12, 2020 · US
Tin alloy plating solution
US-2019390357-A1 · Dec 26, 2019 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Daikin Ind Ltd | 19 |
| Mitsubishi Materials Corp | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02B30/70 | 16 |
| F24F11/74 | 13 |
| F24F2110/10 | 13 |
| F24F3/044 | 11 |
| F24F11/77 | 10 |