Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8063156 | Composition containing cycloaliphatic epoxide, polyol oligomer, and curing catalyst | Hideyuki Takai | 2011-11-22 |
| 7825197 | Composition containing cycloaliphatic epoxide, polyol oligomer, curing agent and curing accelerator | Hideyuki Takai | 2010-11-02 |
| 7664438 | Developing device, image forming apparatus and developing method | — | 2010-02-16 |
| 7515851 | Electron emitter, charger, and charging method | Tadashi Iwamatsu, Nobuyoshi Koshida | 2009-04-07 |
| 7477442 | Display apparatus and method for producing the same | Tadashi Iwamatsu, Nobuyuki Azuma, Yoshinori Mutou | 2009-01-13 |
| 7317285 | Electron emission device having cleaning function | Tadashi Iwamatsu | 2008-01-08 |
| 7307379 | Electron emitting element and image forming apparatus employing it | Tadashi Iwamatsu, Nobuyoshi Koshida | 2007-12-11 |
| 6873813 | Development method and image formation apparatus | Kazuhiko Furukawa, Tadashi Iwamatsu, Tetsuro Toyoshima | 2005-03-29 |
| 6681091 | Development method and image formation apparatus | Kazuhiko Furukawa, Tadashi Iwamatsu, Tetsuro Toyoshima | 2004-01-20 |
| 6622000 | Developing apparatus having a charge amount control member | Kazuhiko Furukawa, Shigeru Nishio | 2003-09-16 |
| 6275666 | Developing device and image formation apparatus | Kazuhiko Furukawa, Shigeru Nishio | 2001-08-14 |
| 5491397 | Motor drive device using one-two phase excitation | — | 1996-02-13 |
| 4567538 | Alternating current limiting apparatus | Satomi Arimoto, Hiroshi Maekawa | 1986-01-28 |