Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9713581 | Magnetic powder for cosmetic agent | Tsuyoshi Matsushita | 2017-07-25 |
| 8628905 | Ferrite core material for resin-filled type carrier, resin-filled type carrier, and electrophotographic developer using the carrier | Tsuyoshi Itagoshi, Tomoyuki Suwa, Toshio Honjo | 2014-01-14 |
| 8475988 | Resin-filled ferrite carrier core material for electrophotographic developer, ferrite carrier and electrophotographic developer using the ferrite carrier | Takao Sugiura, Takashi Hikichi | 2013-07-02 |
| 8431311 | Resin-filled carrier for electrophotographic developer, and electrophotographic developer using the resin-filled carrier | Takao Sugiura, Takeshi Gondo | 2013-04-30 |
| 8187781 | Resin-filled ferrite carrier for electrophotographic developer, production method thereof and electrophotographic developer using the ferrite carrier | Takao Sugiura | 2012-05-29 |
| 8168364 | Resin-filled carrier for electrophotographic developer, and electrophotographic developer using the resin-filled carrier | Takao Sugiura, Takeshi Gondo | 2012-05-01 |
| 8026033 | Ferrite carrier for electrophotographic developer and electrophotographic developer | Takao Sugiura, Kanao Kayamoto | 2011-09-27 |
| 7914715 | Granulating method, granulated particle(s) and granulating device | Koji Aga | 2011-03-29 |
| 7880483 | Method for inspecting quality of core material for electrophotographic ferrite carrier | Koji Aga | 2011-02-01 |
| 7598011 | Irregular shaped ferrite carrier and electrophotographic developer using the ferrite carrier | Toru Iwata, Toshio Honjo | 2009-10-06 |
| 7566519 | Carrier for electrophotographic developer, and electrophotographic developer using the same | Tsuyoshi Itagoshi, Tomoyuki Suwa, Toshio Honjo | 2009-07-28 |
| 7553597 | Carrier core material, coated carrier, and two-component developing agent for electrophotography | Issei Shinmura, Tsuyoshi Itagoshi, Yuji Sato | 2009-06-30 |
| 7476483 | Carrier for electrophotographic developer and two-component electrophotographic developer | Yoichi Kamikoriyama, Kenji Suzuoka, Takashi Nakashima, Kazuya Kinoshita, Yuji Sato +2 more | 2009-01-13 |
| 7442483 | Ferrite carrier for electrophotographic developer and method for preparing the same, and electrophotographic developer using the same | Kanao Kayamoto, Tadashi Harayama, Issei Shinmura, Toshio Honjo | 2008-10-28 |
| 7288355 | Carrier for electrophotography developers, developer prepared by using the carrier and method for forming image | Yoichi Kamikoriyama, Kenji Suzuoka, Takashi Nakashima, Kazuya Kinoshita, Yuji Sato +2 more | 2007-10-30 |
| 7183033 | Carrier core material, coated carrier, two-component developing agent for electrophotography, and image forming method | Issei Shinmura, Tsuyoshi Itagoshi, Yuji Sato | 2007-02-27 |
| 7086380 | Apparatus for controlling throttle valve of internal combustion engine | Tamikazu Mukasa | 2006-08-08 |
| 6905806 | Dry two-component type developer for electrophotography | Takeshi Naito, Tsuyoshi Itagoshi, Yuji Sato | 2005-06-14 |
| 6787471 | Method of manufacturing a semiconductor device | — | 2004-09-07 |
| 6713198 | Ceramic laminated article, a method of producing the same and a ceramic laminate | Hirotake Yamada, Toshio Oda | 2004-03-30 |
| 6706428 | Ceramic sintered bodies and a method of producing the same | Tsuneaki Ohashi, Toshio Oda, Hiroshi Furukubo | 2004-03-16 |
| 6686113 | Carrier for electrophotographic developer and developer containing the same | Tsuyoshi Itagoshi, Takeshi Naito, Yuji Sato | 2004-02-03 |
| 6670294 | Corrosion-resistive ceramic materials and members for semiconductor manufacturing | — | 2003-12-30 |
| 6627369 | Carrier for electrophotographic developer and developer containing the same | Tsuyoshi Itagoshi, Yasuhiko Kataoka, Yuji Sato | 2003-09-30 |
| 6617059 | Method of forming silicon carbide film on aluminum nitride, film structure and silicon carbide film | Hiroshi Furukubo, Hirotake Yamada | 2003-09-09 |