Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12298698 | Image forming apparatus | — | 2025-05-13 |
| 12265345 | Image forming apparatus | Osamu Sasaoka, Toshiyuki Watanabe, Yasuhiro Fukase | 2025-04-01 |
| 12181820 | Fixing device and image forming apparatus | Osamu Sasaoka, Tsuguhiro Yoshida | 2024-12-31 |
| 12153375 | Image forming apparatus having space efficient air blowing capability | Osamu Sasaoka, Toshiyuki Watanabe | 2024-11-26 |
| 11971672 | Sheet conveying device and image forming apparatus | Osamu Sasaoka, Toshiyuki Watanabe | 2024-04-30 |
| 11953853 | Image forming apparatus | Toshiyuki Watanabe, Osamu Sasaoka, Masafumi Maeda | 2024-04-09 |
| 11838465 | Image forming apparatus | Yuko Harada, Masaaki Takeuchi | 2023-12-05 |
| 11613439 | Sheet feeding apparatus and image forming apparatus | Tomoya Tateishi | 2023-03-28 |
| 11089172 | Image forming apparatus | Yuko Harada, Masaaki Takeuchi | 2021-08-10 |
| 10065828 | Paper output tray and image forming apparatus | Masaaki Takeuchi, Yuko Harada | 2018-09-04 |
| 9022381 | Sheet feeding device and image forming apparatus | Shota Kase, Minoru Kawanishi, Hirotaka Ishii, Keisuke Fujita | 2015-05-05 |
| 8886081 | Electrophotographic image forming apparatus with light blocking member that functions to guide cartridge | — | 2014-11-11 |
| 5663007 | Sealed storage battery and method for manufacturing the same | Munehisa Ikoma, Shinji Hamada, Hiromu Matsuda, Kanji Takata | 1997-09-02 |
| 5510203 | Cell and module battery of sealed alkaline storage battery | Shinji Hamada, Kanji Takata, Hiromu Matsuda, Munehisa Ikoma | 1996-04-23 |