Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11488669 | Three-valued programming mechanism for non-volatile memory structures | Hiroki Yabe, Masahiro Kano, Yuki Fujita | 2022-11-01 |
| 9940869 | Internal clock signal control for display device, display driver and display device system | — | 2018-04-10 |
| 9360833 | Charging member, process cartridge and electrophotographic apparatus | Kenya Terada, Masaaki Harada, Hiroaki Watanabe, Takumi Furukawa | 2016-06-07 |
| 9008552 | Charging member and electrophotographic apparatus | Hiroaki Watanabe, Masaaki Harada | 2015-04-14 |
| 8991053 | Charging member, process for its production, and electrophotographic apparatus | Hiroaki Watanabe, Masaaki Harada, Takumi Furukawa, Kenya Terada | 2015-03-31 |
| 8923732 | Charging member, manufacturing method therefor, and electrophotographic apparatus | Masaaki Harada, Hiroaki Watanabe | 2014-12-30 |
| 8834333 | Charging member, electrophotographic apparatus and process cartridge | Hiroaki Watanabe, Masaaki Harada | 2014-09-16 |
| 8781369 | Charging roller and process for its production | Takumi Furukawa, Masaaki Harada, Hiroaki Watanabe, Kenya Terada | 2014-07-15 |
| 8750762 | Charging member with vulcanized rubber, and electrophotographic apparatus including the charging member | Masaaki Harada, Hiroaki Watanabe | 2014-06-10 |
| 8685601 | Electrophotographic member, method for producing the same, process cartridge and electrophotographic apparatus | Masaaki Harada, Hiroaki Watanabe, Takumi Furukawa, Kenya Terada | 2014-04-01 |
| 8622881 | Conductive member, electrophotographic apparatus, and process cartridge | Masaaki Harada, Hiroaki Watanabe, Takumi Furukawa, Kenya Terada | 2014-01-07 |
| 8538298 | Charging member, process for its production, and electrophotographic apparatus | Masaaki Harada, Toshiro Suzuki, Hiroaki Watanabe, Taichi Sato | 2013-09-17 |
| 8532535 | Charging member, manufacturing method for charging member, and electrophotographic apparatus | Masaaki Harada, Hiroaki Watanabe | 2013-09-10 |
| 8501312 | Charging member | Hiroaki Watanabe, Masaaki Harada | 2013-08-06 |
| 8491994 | Conductive rubber elastic material, charging member and electrophotographic apparatus | Masaaki Harada, Hiroaki Watanabe | 2013-07-23 |
| 8481167 | Charging member | Hiroaki Watanabe, Masaaki Harada | 2013-07-09 |
| 8440307 | Charging member and method for producing charging member | Masaaki Harada, Hiroaki Watanabe | 2013-05-14 |