HT

Hiromasa Takagi

Ricoh Company: 10 patents #7 of 1,821Top 1%
Overall (2018): #6,833 of 503,207Top 2%
10
Patents 2018

Issued Patents 2018

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
10156818 Fixing device and image forming apparatus Yasunori Ishigaya, Kazuya Saito, Keitaro Shoji, Toshihiko Shimokawa 2018-12-18
10152006 Fixing device and image forming apparatus Yasunori Ishigaya, Yutaka Ikebuchi, Kazuya Saito, Keitaro Shoji, Ryohei Matsuda +2 more 2018-12-11
10061235 Fixing device and image forming apparatus Keitaro Shoji, Yasunori Ishigaya, Kazuya Saito, Ryohei Matsuda, Ryuuichi Mimbu +1 more 2018-08-28
10012932 Image forming apparatus incorporating fixing device Yasunori Ishigaya, Ryuuichi Mimbu, Toshihiko Shimokawa, Kazuya Saito, Keitaro Shoji 2018-07-03
10001735 Fixing device and image forming apparatus Takahiro Imada, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Yuji Arai +9 more 2018-06-19
9983526 Fixing device and image forming apparatus including same Takeshi Uchitani, Masahiko Satoh, Kenji Ishii, Tadashi Ogawa, Teppei Kawata +19 more 2018-05-29
9971289 Image forming apparatus Takamasa Hase, Masahiko Satoh, Shinichi Namekata, Kenji Ishii, Takeshi Uchitani +14 more 2018-05-15
9927748 Fixing device and image forming apparatus Hiroshi Yoshinaga, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +12 more 2018-03-27
9904220 Fixing device and image forming apparatus Kazuya Saito, Yasunori Ishigaya, Keitaro Shoji, Toshihiko Shimokawa 2018-02-27
9874839 Fixing device and image forming apparatus Kazunari Sawada, Kenji Ishii, Kazuhito Kishi, Takayuki Seki, Hiroshi Yoshinaga +5 more 2018-01-23