Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12248260 | Image forming apparatus | Tomooku Koyama, Ken Murooka, Wataru Uchida, Yohei Suzuki, Daisuke Takamura | 2025-03-11 |
| 12204267 | Sheet processing apparatus and image forming system | Hiroharu Tsuji, Masayoshi Fukatsu | 2025-01-21 |
| 12168584 | Sheet conveyance apparatus, sheet processing apparatus, and image forming system | Hiroyuki Yamano, Hiroharu Tsuji | 2024-12-17 |
| 11987466 | Sheet processing apparatus and image forming system | Takao Izaki, Yasuhiro Nakahara | 2024-05-21 |
| 11803139 | Image forming apparatus | Tomooku Koyama, Ken Murooka, Wataru Uchida, Yohei Suzuki, Daisuke Takamura | 2023-10-31 |
| 11662683 | Sheet processing apparatus and image forming system | Tomooku Koyama, Yasuhiro Nakahara, Hiroharu Tsuji | 2023-05-30 |
| 11629026 | Discharging device and image forming apparatus | Fumiki Inui | 2023-04-18 |
| 11518638 | Sheet conveyance apparatus, sheet processing apparatus, and image forming system | Hiroyuki Yamano, Hiroharu Tsuji | 2022-12-06 |
| 11506999 | Image forming apparatus | Tomooku Koyama, Ken Murooka, Wataru Uchida, Yohei Suzuki, Daisuke Takamura | 2022-11-22 |
| 11353817 | Sheet processing apparatus and image forming system | Hiroharu Tsuji, Masayoshi Fukatsu | 2022-06-07 |
| 11215946 | Sheet processing apparatus and image forming system | Tomooku Koyama, Yasuhiro Nakahara, Hiroharu Tsuji | 2022-01-04 |
| 10955774 | Image forming apparatus | Tomooku Koyama, Ken Murooka, Wataru Uchida, Yohei Suzuki, Daisuke Takamura | 2021-03-23 |
| 10773918 | Sheet discharging apparatus and image forming apparatus | Tomoki Hatakeyama | 2020-09-15 |
| 10551774 | Image forming apparatus with guide member movable with repect to direction perpendiclar to recording material surface | Tomooku Koyama, Ken Murooka, Wataru Uchida, Yohei Suzuki, Daisuke Takamura | 2020-02-04 |
| 10399810 | Sheet discharging apparatus and image forming apparatus | — | 2019-09-03 |
| 10216137 | Opening-closing member detecting device and image forming apparatus | Joji Goto | 2019-02-26 |
| 9939774 | Connection mechanism and image forming apparatus | — | 2018-04-10 |
| 9904222 | Image forming apparatus with plurality of ribs on guide to fixing nip | Tomooku Koyama, Ken Murooka, Wataru Uchida, Yohei Suzuki, Daisuke Takamura | 2018-02-27 |
| 9501029 | Connection mechanism and image forming apparatus | — | 2016-11-22 |
| 9411285 | Drive transmission device and image forming apparatus | Tomooku Koyama, Wataru Uchida, Naoyuki Maeda | 2016-08-09 |
| 9400462 | Image forming apparatus | Tomooku Koyama, Ken Murooka, Wataru Uchida, Yohei Suzuki, Daisuke Takamura | 2016-07-26 |
| 9280101 | Image forming apparatus with lower and upper guide members | Tomooku Koyama, Ken Murooka, Wataru Uchida, Yohei Suzuki, Daisuke Takamura | 2016-03-08 |
| 9188253 | Oil country tubular goods with dual phase structure and producing method thereof | Mitsuru Sawamura, Hitoshi Asahi, Eiji Tsuru | 2015-11-17 |
| 9146520 | Image forming apparatus | Yasuhiko Fuse, Wataru Uchida, Daisuke Takamura, Masatoshi Yoshida, Tomooku Koyama +1 more | 2015-09-29 |
| 9081345 | Image forming apparatus | Wataru Uchida, Tomoyuki Araki, Toshiaki Miyashiro, Mitsuhiro Ito, Taro Ishifune +4 more | 2015-07-14 |