| 12271124 |
Development device having a developing container with a vent hole and image forming apparatus provided therewith |
— |
2025-04-08 |
| 11934111 |
Developing device and image forming apparatus provided therewith |
— |
2024-03-19 |
| 10732563 |
Charging device, drum unit and image forming apparatus |
— |
2020-08-04 |
| 10254683 |
Image forming apparatus for cleaning intermediate transfer belt |
Takashi Kusukawa |
2019-04-09 |
| 9939751 |
Charging device and image forming apparatus |
Hiroaki Tsuchiya, Kenichi Mukai |
2018-04-10 |
| 9904235 |
Cleaning device and image forming apparatus |
Takashi Morita |
2018-02-27 |
| 9594338 |
Image forming apparatus with photosensitive drum that cyclically reciprocates in an axial direction |
Hiroki Morishita |
2017-03-14 |
| 9513580 |
Image forming apparatus with fall path of developer |
— |
2016-12-06 |
| 9316998 |
Image forming apparatus with inner cover that shields an optical sensor when an outer housing cover is closed, the optical sensor used for detecting whether a waste toner case is full |
— |
2016-04-19 |
| 9176458 |
Image forming apparatus |
— |
2015-11-03 |
| 5994723 |
Semiconductor element and its method of manufacturing |
Hiroshi Sekii |
1999-11-30 |
| 5495096 |
Multi-focus optical device |
Shiro Ogata, Hiroshi Goto, Yoshinori Ito |
1996-02-27 |
| 5407730 |
Physical variable sensor and method of manufacturing the same |
— |
1995-04-18 |
| 5296724 |
Light emitting semiconductor device having an optical element |
Shiro Ogata, Hiroshi Goto, Yoshinori Ito, Kourou Kitajima |
1994-03-22 |
| 5182228 |
Method of manufacturing a semiconductor light-emitting device |
Hiroshi Sekii |
1993-01-26 |
| 5146295 |
Semiconductor light emitting device having a superlattice buffer layer |
Fumihiko Sato |
1992-09-08 |
| 5130531 |
Reflective photosensor and semiconductor light emitting apparatus each using micro Fresnel lens |
Yoshinori Ito, Hiroshi Sekii, Shiro Ogata, Hiroshi Goto |
1992-07-14 |
| 5084893 |
Semiconductor light-emitting device |
Hiroshi Sekii |
1992-01-28 |
| 5030090 |
Optical toothbrush and method of use |
Tetsuo Maeda |
1991-07-09 |
| 5010556 |
A stripe-shaped heterojunction laser with unique current confinement |
Hiroshi Imamoto |
1991-04-23 |
| 4949351 |
Surface-emitting semiconductor laser and manufacturing method of same |
— |
1990-08-14 |
| 4839307 |
Method of manufacturing a stripe-shaped heterojunction laser with unique current confinement |
Hiroshi Imamoto |
1989-06-13 |