Issued Patents 2025
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422763 | Ferrite particles, electrophotographic developer carrier core material, electrophotographic developer carrier, and electrophotographic developer | Makoto Ishikawa | 2025-09-23 |
| 12386281 | Ferrite particles, electrophotographic developer carrier core material, electrophotographic developer carrier, and electrophotographic developer | Makoto Ishikawa | 2025-08-12 |
| 12253825 | Ferrite particles, electrophotographic developer carrier core material, electrophotographic developer carrier, and electrophotographic developer | Makoto Ishikawa | 2025-03-18 |
| 12217775 | Magnetoresistance effect element and Heusler alloy | Kazuumi INUBUSHI, Katsuyuki Nakada | 2025-02-04 |
| 12204280 | Carrier, xerographic developer, and carrier production method | Aya Sakuta, Makoto Ishikawa, Hiroki Sawamoto | 2025-01-21 |