Carbon-based solid acid
US-12424636-B2 · Sep 23, 2025 · US
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Kikuchi Takamasa patents
Kikuchi Takamasa is listed as an inventor on 28 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Kikuchi Takamasa |
| Total patents | 28 |
| First publication | Feb 3, 2015 |
| Latest publication | Sep 23, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Ammonia production method and ammonia production apparatus
US-2024328014-A1 · Oct 3, 2024 · US
Fluorine-containing compound having sulfonic acid group and polymer electrolyte fuel cell
US-2024213508-A1 · Jun 27, 2024 · US
Polymer composition
US-11866551-B2 · Jan 9, 2024 · US
Isoxazoline-substituted benzamide compound and pesticide
US-2023355590-A1 · Nov 9, 2023 · US
Ammonia production method and ammonia production apparatus
US-2023295818-A1 · Sep 21, 2023 · US
Ammonia production method and ammonia production apparatus
US-2023295813-A1 · Sep 21, 2023 · US
Carbon-based calcined material and complex thereof as well as fuel cell using the carbon-based calcined material
US-2023238545-A1 · Jul 27, 2023 · US
Ammonia fuel cell
US-11658309-B2 · May 23, 2023 · US
Ammonia production method and ammonia production apparatus
US-2023002917-A1 · Jan 5, 2023 · US
Recent patents
Latest publications not already listed above.
Carbon-based solid acid
US-2022173409-A1 · Jun 2, 2022 · US
Ammonia fuel cell
US-2022158202-A1 · May 19, 2022 · US
Polymer composition
US-11098161-B2 · Aug 24, 2021 · US
Gas separation membrane containing heteromorphous shaped silica nanoparticles
US-11052355-B2 · Jul 6, 2021 · US
Polymer composition
US-2021047464-A1 · Feb 18, 2021 · US
Method for manufacturing gas separation membrane
US-10906009-B2 · Feb 2, 2021 · US
Isoxazoline-substituted benzamide compound and pesticide
US-10874645-B2 · Dec 29, 2020 · US
Isoxazoline-substituted benzamide compound and pesticide
US-2020155511-A1 · May 21, 2020 · US
Isoxazoline-substituted benzamide compound and pesticide
US-10596157-B2 · Mar 24, 2020 · US
Polymer composition
US-2020040137-A1 · Feb 6, 2020 · US
Isoxazoline-substituted benzamide compound and pesticide
US-2020000777-A1 · Jan 2, 2020 · US
Gas separation membrane containing heteromorphous shaped silica nanoparticles
US-2019184345-A1 · Jun 20, 2019 · US
Method for manufacturing gas separation membrane
US-2019083942-A1 · Mar 21, 2019 · US
Isoxazoline-substituted benzamide compound and pesticide
US-2018318266-A1 · Nov 8, 2018 · US
Isoxazoline-substituted benzamide compound and pesticide
US-10045969-B2 · Aug 14, 2018 · US
Isoxazoline-substituted benzamide compound and pesticide
US-2017065565-A1 · Mar 9, 2017 · US
Isoxazoline-substituted benzamide compound and pesticide
US-2015105398-A1 · Apr 16, 2015 · US
Isoxazoline-substituted benzamide compound and pesticide
US-8946492-B2 · Feb 3, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Nissan Chemical Corp | 23 |
| Univ Tokyo | 5 |
| Nissan Chemical Ind Ltd | 5 |
| Univ Tokyo Metropolitan | 4 |
| Univ Kyushu Nat Univ Corp | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C07C251/48 | 10 |
| C07D261/16 | 10 |
| C07C323/09 | 10 |
| C07D417/12 | 10 |
| C07D413/06 | 10 |