YN

Youhei Niitsuma

Ricoh Company: 15 patents #1,477 of 9,818Top 20%
📍 Rifu, JP: #213 of 2,101 inventorsTop 15%
Overall (All Time): #316,128 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
11233950 Electronic device, imaging device, and imaging apparatus Atsushi Ikeda, Kenji Hayasaka, Takamasa Matsumoto, Toshihiro Okamoto, Kenta Takahashi +1 more 2022-01-25
11001072 Liquid discharge head, liquid discharge device, dispensing device, and liquid discharge method Manabu Yamanaka, Daisuke Takagi, Shinnosuke Koshizuka, Hiroshi Fujie, Takeshi Akai +1 more 2021-05-11
10097720 Sound absorber, sheet feeder incorporating the sound absorber, image reading device incorporating the sheet feeder, image forming apparatus incorporating the sound absorber, and electronic device incorporating the sound absorber Takaya Ochiai, Takeshi Akai, Ikuhisa Okamoto, Takehisa Shimazu 2018-10-09
9938099 Sheet conveying device, sheet feeder, and image forming apparatus Takeshi Akai, Ikuhisa Okamoto, Takehisa Shimazu, Takaya Ochiai 2018-04-10
9834398 Sheet conveying device, sheet feeder, and image forming apparatus Takeshi Akai, Ikuhisa Okamoto, Takehisa Shimazu, Takaya Ochiai 2017-12-05
9604814 Sheet processing apparatus and image forming system Tomohiro Furuhashi, Masahiro Tamura, Shuuya Nagasako, Keisuke Sugiyama, Kazuya Yamamoto +8 more 2017-03-28
9561927 Sheet discharging device, image forming system, and sheet discharging method Tomomichi Hoshino, Masahiro Tamura, Shuuya Nagasako, Tomohiro Furuhashi, Keisuke Sugiyama +19 more 2017-02-07
9533852 Sheet ejecting device, image forming system, and sheet ejecting method Junya Suzuki, Kiichiro Goto, Masahiro Tamura, Shuuya Nagasako, Keisuke Sugiyama +8 more 2017-01-03
9260264 Sheet discharging device, image forming system, and sheet discharging method Tomomichi Hoshino, Masahiro Tamura, Shuuya Nagasako, Tomohiro Furuhashi, Keisuke Sugiyama +19 more 2016-02-16
9096403 Sheet stacking apparatus, image forming system and sheet stacking method Satoru Takano, Kiichiro Goto, Takashi Fukumoto, Yasuo Niikura, Shintaro MATSUMOTO +9 more 2015-08-04
9085436 Sheet ejecting device, image forming system, and sheet ejecting method Junya Suzuki, Kiichiro Goto, Masahiro Tamura, Shuuya Nagasako, Keisuke Sugiyama +8 more 2015-07-21
8960660 Sheet processing apparatus and image forming system Tomohiro Furuhashi, Masahiro Tamura, Shuuya Nagasako, Keisuke Sugiyama, Kazuya Yamamoto +8 more 2015-02-24
8936240 Sheet discharging device, image forming system, and sheet discharging method Tomomichi Hoshino, Masahiro Tamura, Shuuya Nagasako, Tomohiro Furuhashi, Keisuke Sugiyama +19 more 2015-01-20
8925917 Sheet output device, sheet processing apparatus, image forming system, and sheet output method Takahiro Watanabe, Masahiro Tamura, Shuuya Nagasako, Tomohiro Furuhashi, Keisuke Sugiyama +8 more 2015-01-06
8876107 Sheet stacking device, image forming system, and sheet stacking method Junya Suzuki, Kiichiro Goto, Takashi Fukumoto, Yasuo Niikura, Shintaro MATSUMOTO +8 more 2014-11-04