Sumida Kohei is listed as an inventor on 8 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Sumida Kohei |
| Total patents | 8 |
| First publication | Aug 2, 2018 |
| Latest publication | Oct 28, 2025 |
Publications ranked by popularity score, then publication date.
US-12454660-B2 · Oct 28, 2025 · US
US-2023193161-A1 · Jun 22, 2023 · US
US-10703693-B2 · Jul 7, 2020 · US
US-10611708-B2 · Apr 7, 2020 · US
US-2020010388-A1 · Jan 9, 2020 · US
US-10513479-B2 · Dec 24, 2019 · US
US-2019092711-A1 · Mar 28, 2019 · US
US-2018215689-A1 · Aug 2, 2018 · US
Latest publications not already listed above.
No data yet.
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Central Glass Co Ltd | 8 |
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01J37/26 | 6 |
| B01J27/125 | 4 |
| C07C21/18 | 4 |
| C07C17/206 | 4 |
| C07C17/25 | 4 |