Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11112716 | Carrier core material for electrophotographic developer and method for producing the same, and carrier for electrophotographic developer and developer containing said carrier core material | Hiroki Sawamoto, Atsushi Nil, Yuji Ito, Shinya Hanyu | 2021-09-07 |
| 10248039 | Carrier, electrophotographic developer, and method of manufacturing carrier | Hiroki Sawamoto, Tetsuya Uemura | 2019-04-02 |