Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12332586 | Transfer device and image forming apparatus | Yoko Miyamoto, Tomohiro Wada | 2025-06-17 |
| 12227001 | Image forming apparatus | Tomoaki Yoshioka, Satoshi Shigezaki, Yoko Miyamoto, Tomohiro Wada, Haruka KOBAYASHI +1 more | 2025-02-18 |
| 12116227 | Image forming apparatus | Tomohiro Wada, Tomoaki Yoshioka, Satoshi Shigezaki, Yoko Miyamoto, Haruka KOBAYASHI +2 more | 2024-10-15 |
| 12072646 | Image forming apparatus | Tomoaki Yoshioka, Mitsuaki Kuroda, Kazuyoshi Hagiwara, Shohei MIYAGAWA, Kei Tanaka +2 more | 2024-08-27 |
| 11966176 | Transfer member, transfer drum, and image forming apparatus | Hirotaka Tanaka, Tomoaki Yoshioka, Yoko Miyamoto, Koichiro Yuasa, Kazuyoshi Hagiwara +1 more | 2024-04-23 |
| 11940744 | Transfer device and image forming apparatus for switching a transfer roller between pressed and separated states | Kazuyoshi Hagiwara, Tomoaki Yoshioka, Yoko Miyamoto, Kazuki Kishi | 2024-03-26 |
| 11878891 | Cylinder member and image forming apparatus | Kazuki Kishi, Tomoaki Yoshioka, Kazuyoshi Hagiwara, Yoko Miyamoto, Tomohiro Wada +1 more | 2024-01-23 |
| 11835889 | Image forming apparatus | Yoko Miyamoto, Takashi Hoshino, Shinji Okuyama, Tomoaki Yoshioka, Chihiro Iijima | 2023-12-05 |
| 11774896 | Method for attaching sheet member to cylinder body and sheet member package | Kazuki Kishi, Tomoaki Yoshioka, Kazuyoshi Hagiwara, Yoko Miyamoto, Tomohiro Wada +1 more | 2023-10-03 |
| 11768450 | Drum member and image forming apparatus | Kazuki Kishi, Koichiro Yuasa, Kazuyoshi Hagiwara, Kei Tanaka, Tomoaki Yoshioka +2 more | 2023-09-26 |
| 11656563 | Jacket, transfer device, and image forming device | Yoko Miyamoto, Hirotaka Tanaka, Kazuyoshi Hagiwara, Kei Tanaka, Tomoaki Yoshioka +1 more | 2023-05-23 |
| 11609514 | Transfer member, transfer drum, and image forming apparatus | Koichiro Yuasa, Kazuyoshi Hagiwara, Kei Tanaka, Tomoaki Yoshioka, Yoko Miyamoto +1 more | 2023-03-21 |
| 11599045 | Transfer device and image forming apparatus having nip member with predetermined geometry | Tomoaki Yoshioka, Kazuyoshi Hagiwara, Kazuki Kishi, Yoko Miyamoto | 2023-03-07 |
| 11579555 | Cylinder member and image forming apparatus | Tomoaki Yoshioka, Kazuki Kishi, Kazuyoshi Hagiwara, Yoko Miyamoto | 2023-02-14 |
| 11579541 | Image forming apparatus including a rollshaped charge unit for secondary transfer body | Koichiro Yuasa, Yoko Miyamoto, Takeshi Yasuda, Hirotaka Tanaka, Masaaki Takahashi +1 more | 2023-02-14 |
| 11520252 | Image forming apparatus | Tomoaki Yoshioka, Masaaki Takahashi, Kazuyoshi Hagiwara, Yoko Miyamoto | 2022-12-06 |
| 11493863 | Image forming apparatus with holding unit that holds a recording medium | Tomoaki Yoshioka, Mitsuaki Kuroda, Kazuyoshi Hagiwara, Shohei MIYAGAWA, Kei Tanaka +2 more | 2022-11-08 |
| 11474459 | Transfer device and image forming apparatus | Yoko Miyamoto, Kazuyoshi Hagiwara, Tomoaki Yoshioka, Kazuki Kishi, Shinji Okuyama | 2022-10-18 |
| 11448571 | Specimen collection tip, specimen preparation container and specimen preparation kit | Koutarou Tanimura, Dosaku Tokudome, Yukihiro Yabe, Kanako Miura | 2022-09-20 |
| 11385574 | Rotation device and image forming apparatus | Yoko Miyamoto, Koichiro Yuasa, Tomoaki Yoshioka | 2022-07-12 |
| 11287764 | Image forming apparatus capable of preventing a discharge defect in an image | Tomoaki Yoshioka, Yoko Miyamoto, Tomohiro Wada, Kazuyoshi Hagiwara | 2022-03-29 |
| 11256198 | Transfer device and image forming apparatus | Tomoaki Yoshioka, Yoko Miyamoto | 2022-02-22 |
| 10527973 | Image forming apparatus | Masaaki Yamaura, Satoshi Shigezaki, Yoshiyuki Tominaga, Jun KUWABARA | 2020-01-07 |
| 10429771 | Transfer device and image forming apparatus | Yoshiki Shimodaira, Masaaki Yamaura, Satoshi Shigezaki | 2019-10-01 |
| 10359719 | Image forming apparatus having transfer belt moving unit | Masaaki Yamaura, Satoshi Shigezaki, Yutaka Kanai, Masayo Higashimura | 2019-07-23 |