YI

Yukari Isoe

Ricoh Company: 11 patents #2,054 of 9,818Top 25%
Overall (All Time): #458,875 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
9964904 Fixing device and image forming apparatus incorporating same Yuuki Oka, Motokazu Hasegawa 2018-05-08
9519248 Fixing device including an induction heating unit with ducting for airflow, and image forming apparatus incorporating same Susumu Matsusaka, Shota Kobashigawa, Motokazu Hasegawa 2016-12-13
9342002 Fixing device and image forming apparatus Naoko Morisawa, Susumu Matsusaka, Motokazu Hasegawa 2016-05-17
9280107 Fixing device and image forming apparatus including same Motokazu Hasegawa, Susumu Matsusaka 2016-03-08
9207597 Fixing device and image forming apparatus incorporating same Susumu Matsusaka, Motokazu Hasegawa 2015-12-08
9063487 Fixing device and image forming apparatus incorporating same Motokazu Hasegawa, Masanobu Yamagata 2015-06-23
9002251 Fixing device and image forming apparatus incorporating same Motokazu Hasegawa, Susumu Matsusaka 2015-04-07
8983348 Fixing device and image forming apparatus including same Shota Kobashigawa, Susumu Matsusaka, Miwa Shuto, Masanobu Yamagata, Motokazu Hasegawa 2015-03-17
8977177 Fixing device employing electromagnetic induction heating system capable of effectively using magnetic flux and image forming apparatus with fixing device Susumu Matsusaka, Motokazu Hasegawa, Tsuyoshi Hashiyada 2015-03-10
8879972 Fuser and image-forming apparatus Hisashi Kawamoto, Kenji Maeda, Kenji Taguchi, Toshiki Yokoyama 2014-11-04
8849169 Fixing device and image forming apparatus including same Tsuyoshi Hashiyada, Motokazu Hasegawa, Susumu Matsusaka 2014-09-30