Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11556070 | Carrier core material and electrophotographic development carrier using same and electrophotographic developer | Yohei Ishikawa, Hiroyuki Miyano | 2023-01-17 |
| 10088764 | Carrier core material and electrophotographic development carrier using same and electrophotographic developer | Yuto KAMAI | 2018-10-02 |
| 9651886 | Carrier core particles for electrophotographic developer, carrier for electrophotographic developer, and electrophotographic developer | Tomohide Iida | 2017-05-16 |
| 9507285 | Ferrite particles and electrophotographic development carrier using same, electrophotographic developer and method of manufacturing ferrite particles | Shou Ogawa, Yukihiro Matsuda | 2016-11-29 |
| 9429862 | Carrier for electrophotographic developer and electrophotographic developer | — | 2016-08-30 |
| 9329514 | Carrier core particle for electrophotographic developer, method for manufacturing the same, carrier for electrophotographic developer and electrophotographic developer | Sho Ogawa | 2016-05-03 |
| 9274446 | Method for manufacturing carrier core particles for electrophotographic developer | — | 2016-03-01 |
| 9268246 | Method for manufacturing carrier core particles for electrophotographic developer, carrier core particles for electrophotographic developer, carrier for electrophotographic developer, and electrophotographic developer | Sho Ogawa, Haruka Seki | 2016-02-23 |
| 9195157 | Carrier core particles for electrophotographic developer, carrier for electrophotographic developer, and electrophotographic developer | Tomohide Iida | 2015-11-24 |
| 9164411 | Carrier core material for electrophotographic developer, method for manufacturing the same, carrier for electrophotographic developer and electrophotographic developer | Masahiro Nakamura, Toshiya Kitamura | 2015-10-20 |
| 8883388 | Carrier core particle for electrophotographic developer, carrier for electrophotographic developer and electrophotographic developer | Yukihiro Matsuda | 2014-11-11 |
| 8865386 | Carrier core particle for electrophotographic developer, carrier for electrophotographic developer and electrophotographic developer | Sho Ogawa | 2014-10-21 |
| 8652736 | Electrophotographic developer carrier core material, electrophotographic developer carrier, methods of manufacturing the same, and electrophotographic developer | Ryusuke Nakao | 2014-02-18 |
| 8617781 | Carrier core particles for electrophotographic developer, method for manufacturing the same, carrier for electrophotographic developer and electrophotographic developer | — | 2013-12-31 |