Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9423735 | Fixing device | Tomoaki Hazeyama, Naoyuki Iwata, Akihiro Kobayashi | 2016-08-23 |
| 9329546 | Fixing device | Tomoaki Hazeyama, Naoyuki Iwata, Akihiro Kobayashi | 2016-05-03 |
| 9323189 | Heating elements for maintaining temperature of a fixing film in a fixing device and image forming apparatus | Naoyuki Iwata, Tomoaki Hazeyama, Akihiro Kobayashi | 2016-04-26 |
| 9244405 | Image forming apparatus | Akihiro Kobayashi, Tomoaki Hazeyama, Naoyuki Iwata | 2016-01-26 |
| 9229394 | Fixing device | Tomoaki Hazeyama, Naoyuki Iwata, Akihiro Kobayashi | 2016-01-05 |
| 9195189 | Fixing device | Tomoaki Hazeyama, Yuji Nishigaki | 2015-11-24 |
| 9188919 | Fixing device provided with rotating member having concave shape | Naoyuki Iwata, Yusuke Murodate, Akihiro Kobayashi, Tomoaki Hazeyama, Yuji Nishigaki | 2015-11-17 |
| 9116475 | Fixing device fixing transferred developing agent image to sheet | Tomoaki Hazeyama, Naoyuki Iwata, Yusuke Murodate, Akihiro Kobayashi, Yuji Nishigaki | 2015-08-25 |
| 9091978 | Fixing device provided with stay having rigidity distribution | Tomoaki Hazeyama, Naoyuki Iwata, Yusuke Murodate, Akihiro Kobayashi, Yuji Nishigaki | 2015-07-28 |
| 9063485 | Fixing device | Tomoaki Hazeyama, Yuji Nishigaki | 2015-06-23 |
| 9014605 | Image forming apparatus | — | 2015-04-21 |
| 9008548 | Fixing device provided with reinforced nip member | Yusuke Murodate, Akihiro Kobayashi, Tomoaki Hazeyama, Naoyuki Iwata, Yuji Nishigaki | 2015-04-14 |
| 8810135 | LED drive circuit, LED illumination component, LED illumination device, and LED illumination system | Hiroyuki Shoji, Mitsuru Mariyama, Masakazu Ikeda, Hirohisa Warita, Katsumi Inaba +1 more | 2014-08-19 |
| 8761627 | Heating apparatus and image forming apparatus having the same | — | 2014-06-24 |
| 8725049 | Fixing device having nip plate with surface including high absorption region | — | 2014-05-13 |
| 8698420 | LED drive circuit, LED lamp, LED lighting appliance, and LED lighting system | — | 2014-04-15 |
| 8532546 | Developer supply device and image forming apparatus having the same | Yuji Nishigaki, Masataka Maeda, Tomoaki Hazeyama | 2013-09-10 |
| 8432103 | LED drive circuit, LED illumination fixture, LED illumination device, and LED illumination system | Atsushi Kanamori, Yoshiki Ikuta | 2013-04-30 |
| 8401445 | Developer supply apparatus and image forming apparatus | Takanori Uno, Mitsukiyo Okamura, Kenjiro Nishiwaki, Tomoaki Hazeyama, Masataka Maeda +1 more | 2013-03-19 |
| 8258706 | LED drive circuit, LED illumination component, LED illumination device, and LED illumination system | Hiroyuki Shoji, Mitsuru Mariyama, Masakazu Ikeda, Hirohisa Warita, Katsumi Inaba +1 more | 2012-09-04 |
| 8198834 | LED drive circuit | Hiroyuki Shoji | 2012-06-12 |
| 8172501 | Counter-rotating axial-flow fax | Toshiya Nishizawa, Hayato Murayama | 2012-05-08 |
| 8050600 | Image formation device and developer supplying device | — | 2011-11-01 |
| 7872381 | Counter-rotating axial-flow fan | Jiro Watanabe, Toshiya Nishizawa | 2011-01-18 |
| D602142 | Axial fan with double impellers rotating in mutually opposite directions | Toshiya Nishizawa, Hayato Murayama | 2009-10-13 |