TO

Tetsuya Ofuchi

Ricoh Company: 11 patents #2,054 of 9,818Top 25%
Overall (All Time): #451,183 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
11381709 Image reading device and image forming apparatus incorporating same Tatsuya Ishii, Kohtaroh Oda, Tomoaki Suga, Yukifumi Kobayashi 2022-07-05
10545443 Image forming apparatus incorporating information detector Yukifumi Kobayashi, Hideyo Makino, Takayuki Nishimura, Yasuyuki Sekino, Tohru Matsumoto +2 more 2020-01-28
10212298 Sheet discriminator, image forming apparatus incorporating same, and image forming system incorporating same to distinguish sheet types Tohru Matsumoto, Takayuki Nishimura, Yukifumi Kobayashi 2019-02-19
10203641 Sheet discriminator and image forming apparatus incorporating the sheet discriminator Noriaki Takenaga, Tohru Matsumoto, Takayuki Nishimura, Yukifumi Kobayashi, Hideyo Makino +1 more 2019-02-12
10073396 Image forming apparatus incorporating information detector Yukifumi Kobayashi, Hideyo Makino, Takayuki Nishimura, Yasuyuki Sekino, Tohru Matsumoto +2 more 2018-09-11
9890003 Sheet discriminator and image forming apparatus incorporating the sheet discriminator Satoshi Nakayama, Noriaki Takenaga, Hideyo Makino, Takayuki Nishimura, Yasuyuki Sekino +2 more 2018-02-13
9676576 Sheet discriminator and image forming apparatus incorporating same Takayuki Nishimura, Tohru Matsumoto, Yukifumi Kobayashi 2017-06-13
9621752 Image forming apparatus incorporating information detector Yukifumi Kobayashi, Hideyo Makino, Takayuki Nishimura, Yasuyuki Sekino, Tohru Matsumoto +2 more 2017-04-11
9551967 Sheet discriminator and image forming apparatus incorporating the sheet discriminator Noriaki Takenaga, Tohru Matsumoto, Takayuki Nishimura, Yukifumi Kobayashi, Hideyo Makino +1 more 2017-01-24
9346291 Sheet discriminator and image forming apparatus incorporating same Takayuki Nishimura, Tohru Matsumoto, Yukifumi Kobayashi 2016-05-24
9150370 Sheet feeder and image forming apparatus incorporating same Takahiro Ogino, Yasuyuki Sekino, Kohtaroh Oda 2015-10-06