Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8247148 | Resin-coated ferrite carrier for electrophotographic developer and electrophotographic developer using the resin-coated ferrite carrier | Issei Shinmura | 2012-08-21 |
| 8092971 | Resin-coated carrier for electrophotographic developer and process for producing the same, and electrophotographic developer comprising the resin-coated carrier | Hironori HOJO, Toshio Honjo | 2012-01-10 |
| 8026033 | Ferrite carrier for electrophotographic developer and electrophotographic developer | Hiromichi Kobayashi, Takao Sugiura | 2011-09-27 |
| 7964330 | Electrophotographic resin-coated ferrite carrier, method for producing the same, and electrophotographic developer | Issei Shinmura | 2011-06-21 |
| 7897317 | Method for producing core material of electrophotographic ferrite carrier and resin-coated ferrite carrier | Issei Shinmura | 2011-03-01 |
| 7824833 | Resin-coated ferrite carrier for electrophotographic developer, its production method, and electrophotographic developer using the resin-coated ferrite carrier | Issei Shinmura, Toshio Honjo | 2010-11-02 |
| 7521163 | Resin-coated ferrite carrier for electrophotographic developer, its production method, and electrophotographic developer using the resin-coated ferrite carrier | Tetsuya Uemura, Toshio Honjo | 2009-04-21 |
| 7442483 | Ferrite carrier for electrophotographic developer and method for preparing the same, and electrophotographic developer using the same | Hiromichi Kobayashi, Tadashi Harayama, Issei Shinmura, Toshio Honjo | 2008-10-28 |
| 7144670 | Carrier for electrophotographic developer and process of producing the same | Issei Shinmura, Yuji Sato | 2006-12-05 |
| 6582870 | Carrier for electrophotographic developer and electrophotographic developer containing the same | Issei Shinmura, Yuji Sato | 2003-06-24 |
| 6387582 | Carrier for electrophotographic developer and electrophotographic developer containing the same | Kazunori Takagi, Yuji Sato | 2002-05-14 |
| 6235443 | Carrier for electrophotographic developer and electrophotographic developer containing the same | Kazunori Takagi, Yuji Sato | 2001-05-22 |
| 5595850 | Ferrite carrier for electrophotographic developer and developer containing the carrier | Toshio Honjo, Yuji Sato, Masahiro Ogata, Hiromichi Kobayashi | 1997-01-21 |
| 5466552 | Ferrite carrier for electrophotographic developer and developer containing the carrier | Yuji Sato, Toshio Honjo, Masahiro Ogata, Kouichi Shimizu | 1995-11-14 |
| 5419994 | Carrier for electrophotographic developer, process for preparing the same and developer prepared by using said carrier | Toshio Honjo, Yuji Sato, Masahiro Ogata | 1995-05-30 |