Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12215296 | Grease composition, heating device, and electrophotographic image forming apparatus | Masahito Omata, Hideo Nanataki, Norihiko Ochi, Fuyuko Koyama, Yoshihito Oshima | 2025-02-04 |
| 12070925 | Fixing rotating member, fixing apparatus and electrophotographic image forming apparatus, and method for producing fixing rotating member | Hiroki Muramatsu, Ryo Ishifuji, Yohei Miyauchi, Yusuke Baba, Masaaki Takahashi +1 more | 2024-08-27 |
| 12059874 | Fixing rotating member, fixing apparatus, electrophotographic image forming apparatus, and method for producing fixing rotating member | Yohei Miyauchi, Naoko Kasai, Yusuke Baba, Masaaki Takahashi, Hiroki Muramatsu +1 more | 2024-08-13 |
| 12001158 | Fixing member, method for producing the same, fixing apparatus, and electrophotographic image forming apparatus | Naoko Kasai, Yohei Miyauchi, Masatsugu Toyonori, Hiroki Muramatsu, Tomoyo Miyakai +1 more | 2024-06-04 |
| 11988983 | Fixing member, method for producing the same, fixing apparatus, and electrophotographic image forming apparatus | Yohei Miyauchi, Masatsugu Toyonori, Naoko Kasai, Hiroki Muramatsu, Tomoyo Miyakai | 2024-05-21 |
| 11644777 | Pressurizing member, fixing device, and electrophotographic image-forming apparatus | Ryo Ishifuji, Hiroki Muramatsu, Yohei Miyauchi, Naoko Kasai, Yusuke Baba +1 more | 2023-05-09 |
| 11561495 | Pressing rotating member and production method thereof, fixing apparatus, and electrophotographic image forming apparatus | Naoko Kasai, Yohei Miyauchi, Takuji Oishi, Yasuhiro Miyahara, Masaaki Takahashi +3 more | 2023-01-24 |
| 11414620 | Lubricant composition, sliding apparatus, fixing apparatus, and image-forming apparatus | Yoshihito Oshima, Yohei Miyauchi | 2022-08-16 |
| 11181856 | Fixing member, fixing device, and electrophotographic image-forming apparatus | Yohei Miyauchi, Kimihiro Yoshimura | 2021-11-23 |
| 10983466 | Fixing member, fixing device, and electrophotographic image forming apparatus | Yohei Miyauchi, Kimihiro Yoshimura | 2021-04-20 |
| 10901354 | Fixing member, fixing device, and electrophotographic image forming apparatus | Yohei Miyauchi, Kimihiro Yoshimura | 2021-01-26 |
| 10739712 | Fixing member, fixing device, and electrophotographic image forming apparatus | Yohei Miyauchi, Kimihiro Yoshimura | 2020-08-11 |
| 10712697 | Endless shaped fixing belt and heat fixing device having endless belt shape heating member | Matsutaka Maeda, Yuji Kitano, Mamo Matsumoto, Katsuhisa Matsunaka, Yo Imaizumi +2 more | 2020-07-14 |
| 10620574 | Fixing member and heat fixing apparatus | Yuji Kitano, Katsuya Abe, Takeshi Suzuki, Mamo Matsumoto, Matsutaka Maeda +2 more | 2020-04-14 |
| 10545439 | Fixed member and heat fixing apparatus | Mamo Matsumoto, Katsuhisa Matsunaka, Matsutaka Maeda, Yuji Kitano, Makoto Souma | 2020-01-28 |
| 8205980 | Liquid composition, ink-jet recording process, ink-jet recording ink set, recording unit, ink cartridge, ink-jet recording apparatus, and ink-jet recording ink | Ryuji Katsuragi | 2012-06-26 |
| 7926931 | Ink and ink jet recording method | Ryuji Katsuragi, Shoji Koike | 2011-04-19 |
| 7674330 | Ink and ink-jet recording apparatus | — | 2010-03-09 |