Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9459801 | Tiered storage system provided with trial area, storage controller, area allocation method and storage medium | — | 2016-10-04 |
| 9092252 | Information processing apparatus, client management system, and client management method | — | 2015-07-28 |
| 8954305 | Circuit simulation apparatus and circuit simulation method | Eiji Yajima, Shunko Kaneko, Ryo Yamazaki | 2015-02-10 |
| 7099602 | Rotation control and heating control for a fixing rotatable member in rotational induction-heating type apparatus | — | 2006-08-29 |
| 7058328 | Rotation control and heating control for a fixing rotatable member in rotational induction-heating type apparatus | — | 2006-06-06 |
| 6983112 | Rotation control and heating control for a fixing rotatable member in rotational induction-heating type apparatus | — | 2006-01-03 |
| 6909861 | Rotation control and heating control for a fixing rotatable member in rotational induction-heating type apparatus | — | 2005-06-21 |
| 6900994 | Power supply apparatus, switching power supply apparatus, and image forming apparatus | — | 2005-05-31 |
| 6490178 | SWITCHING POWER CIRCUIT WHICH SWITCHES VOLTAGE SUPPLIED TO A PRIMARY WINDING OF A TRANSFORMER WITH A SWITCHING ELEMENT TO RECTIFY ALTERNATING CURRENT GENERATED IN A SECONDARY WINDING OF THE TRANSFORMER | — | 2002-12-03 |
| 6040662 | Fluorescent lamp inverter apparatus | — | 2000-03-21 |
| 5627434 | Apparatus for operating a fluorescent lamp of an image forming apparatus | Toshiyuki Sekiya, Tadashi Ishikawa | 1997-05-06 |
| 5619403 | Multi-output power supply apparatus | Tadashi Ishikawa | 1997-04-08 |