Issued Patents All Time
Showing 1–25 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416878 | Information storage system including a plurality of terminals | Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa +5 more | 2025-09-16 |
| 11768448 | Information storage system including a plurality of terminals | Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa +5 more | 2023-09-26 |
| 11429036 | Information storage system including a plurality of terminals | Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa +5 more | 2022-08-30 |
| 11275327 | Information storage system including a plurality of terminals | Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa +5 more | 2022-03-15 |
| 11188007 | Developer container which discharges toner from a lower side and includes a box section | Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa +5 more | 2021-11-30 |
| 10754275 | Apparatus and method for preventing an information storage device from falling from a removable device | Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa +5 more | 2020-08-25 |
| 10725398 | Developer container having a cap with three portions of different diameters | Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa +5 more | 2020-07-28 |
| 9989887 | Apparatus and method for preventing an information storage device from falling from a removable device | Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa +5 more | 2018-06-05 |
| 9599927 | Apparatus and method for preventing an information storage device from falling from a removable device | Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa +5 more | 2017-03-21 |
| 9501011 | Fixing device and image forming apparatus including same | Ippei Fujimoto, Naoki Iwaya, Yoshiki Yamaguchi, Shuntaroh Tamaki, Hiroshi Yoshinaga +3 more | 2016-11-22 |
| 9310733 | Fixing device and image forming apparatus including same | Hiroshi Yoshinaga, Masaaki Yoshikawa, Kenichi Hasegawa, Kenji Ishii, Naoki Iwaya +8 more | 2016-04-12 |
| 9256158 | Apparatus and method for preventing an information storage device from falling from a removable device | Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa +5 more | 2016-02-09 |
| 9128426 | Fixing device and image forming apparatus including same | Ippei Fujimoto, Naoki Iwaya, Yoshiki Yamaguchi, Shuntaroh Tamaki, Hiroshi Yoshinaga +3 more | 2015-09-08 |
| 9110402 | Apparatus and method for preventing an information storage device from falling from a removable device | Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa +5 more | 2015-08-18 |
| 9081327 | Apparatus and method for preventing an information storage device from falling from a removable device | Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa +5 more | 2015-07-14 |
| 9069287 | Apparatus and method for preventing an information storage device from falling from a removable device | Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa +5 more | 2015-06-30 |
| 8909071 | Apparatus and method for preventing an information storage device from falling from a removable device | Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa +5 more | 2014-12-09 |
| 8843043 | Fixing device and image forming apparatus incorporating same | Naoki Iwaya, Masaaki Yoshikawa, Kenji Ishii, Kenichi Hasegawa, Hiroshi Yoshinaga +6 more | 2014-09-23 |
| 8831494 | Fixing device and image forming apparatus including same | Yutaka Ikebuchi, Hiroshi Yoshinaga, Toshihiko Shimokawa, Masaaki Yoshikawa, Yoshiki Yamaguchi +8 more | 2014-09-09 |
| 8811837 | Fixing device and image forming apparatus including same | Hiroshi Yoshinaga, Kenichi Hasegawa, Masaaki Yoshikawa, Kenji Ishii, Naoki Iwaya +7 more | 2014-08-19 |
| 8744330 | Fixing device having a plurality of heat sources and a plurality of temperature detectors and image forming apparatus including same | Hiroshi Yoshinaga, Kenichi Hasegawa, Ryota Yamashina, Yasunori Ishigaya | 2014-06-03 |
| 8737878 | Image forming apparatus including removable fixing device | Yoshiki Yamaguchi, Kenichi Hasegawa, Hiroshi Yoshinaga, Naoki Iwaya, Ippei Fujimoto +3 more | 2014-05-27 |
| 8682237 | Fixing device and image forming apparatus including same | Yasunori Ishigaya, Kenichi Hasegawa, Hiroshi Yoshinaga, Ryota Yamashina | 2014-03-25 |
| 8676101 | Fixing device having metal pipe with rough section and image forming apparatus incorporating same | Masaaki Yoshikawa, Yoshiki Yamaguchi, Toshihiko Shimokawa, Tetsuo Tokuda, Yutaka Ikebuchi +5 more | 2014-03-18 |
| 8660441 | Information storage device, removable device, developer container, and image forming apparatus | Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa +5 more | 2014-02-25 |