Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11827479 | Sheet conveying apparatus and image forming apparatus | Akito Sekigawa | 2023-11-28 |
| 11809114 | Image forming apparatus | — | 2023-11-07 |
| 9908727 | Sheet conveyance apparatus and image forming apparatus | Shingo Iwami | 2018-03-06 |
| 9365914 | Duplex stainless steel superior in corrosion resistance of weld | Yusuke Oikawa, Shinji Tsuge, Ryo Matsuhashi | 2016-06-14 |
| 9212412 | Lean duplex stainless steel excellent in corrosion resistance and toughness of weld heat affected zone | Yuusuke Oikawa, Hiroshi Urashima, Shinji Tsuge, Ryo Matsuhashi | 2015-12-15 |
| 9156639 | Sheet conveying apparatus and image forming apparatus | — | 2015-10-13 |
| 9139387 | Sheet feeding apparatus and image forming apparatus | — | 2015-09-22 |
| 9061846 | Image forming apparatus | — | 2015-06-23 |
| 8878099 | Flux cored wire for welding duplex stainless steel which refines solidified crystal grains | Manabu Mizumoto, Takashi Namekata, Yusuke Oikawa | 2014-11-04 |
| 8867980 | Image forming apparatus | — | 2014-10-21 |
| 8833754 | Sheet feeding apparatus and image forming apparatus | — | 2014-09-16 |
| 8827262 | Sheet feeding apparatus and image forming apparatus | Toshifumi Itabashi, Shinsuke Ubayashi, Kozo Inoue, Isao Kannari | 2014-09-09 |
| 8710405 | Austenitic stainless steel welding wire and welding structure | Ryuichi Honma, Manabu Mizumoto, Yuusuke Oikawa, Ryo Matsuhashi, Shinji Tsuge +1 more | 2014-04-29 |
| 8693010 | Image forming apparatus | Mika Sumii | 2014-04-08 |
| 8600285 | Image forming apparatus | Jirou Makinodan | 2013-12-03 |
| 8594534 | Corona discharger and image forming apparatus | Hiroshi Saito | 2013-11-26 |
| 8550456 | Image forming apparatus | Kenichi Hirota | 2013-10-08 |
| 8506729 | Austenite-type stainless steel hot-rolling steel material with excellent corrosion resistance, proof-stress, and low-temperature toughness and production method thereof | Yuusuke Oikawa, Shinji Tsuge, Shigeo Fukumoto, Kazuhiro Suetsugu, Ryo Matsuhashi | 2013-08-13 |
| 8498546 | Toner supply container and image forming apparatus | — | 2013-07-30 |
| 8480081 | Sheet conveying apparatus, image forming apparatus and image reading apparatus | — | 2013-07-09 |
| 8432244 | Power distribution transformer and tank therefor | Masao Hosokawa, Mitsuaki Kawashima, Kazuyuki Fukui, Kouji Yamashita, Izumi Muto +1 more | 2013-04-30 |
| 8356814 | Sheet conveying apparatus, image forming apparatus, and image reading apparatus | — | 2013-01-22 |
| 8292293 | Sheet conveying apparatus, image forming apparatus and image reading apparatus | — | 2012-10-23 |
| 8280264 | Toner supply container and image forming apparatus, for detecting the amount of remaining toner | — | 2012-10-02 |
| 8143985 | Power distribution transformer and tank therefor | Masao Hosokawa, Mitsuaki Kawashima, Kazuyuki Fukui, Kouji Yamashita, Izumi Muto +1 more | 2012-03-27 |