Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10099446 | Heat insulating sheet, heat insulating material, method of manufacturing heat insulating sheet, and method of manufacturing heat insulating material | Tsuyoshi Kuman, Shuzou Imai, Atsushi Kumasaki | 2018-10-16 |
| 6788178 | Magnet roller and process for preparing the same | Shingo Inase, Masami Hosokawa, Osamu Oshima | 2004-09-07 |
| 6762665 | Magnet roller | Masami Hosokawa | 2004-07-13 |
| 6703915 | Magnet roller | — | 2004-03-09 |
| 5434351 | Developing device having developing cylinder with weak magnetic pole and adjacent strong magnetic poles | Yasushi Kakehashi | 1995-07-18 |
| 5158852 | Electrophotographic development process | Yoshio Sakata, Yasushi Kakehashi | 1992-10-27 |