YM

Yuichiro Maeyama

Ricoh Company: 30 patents #620 of 9,818Top 7%
Overall (All Time): #123,783 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
11711474 Reading device and image forming apparatus Taiki YAMAMOTO, Yusuke Tokunaga, Kiyoshi Hata 2023-07-25
11427423 Sheet conveying device and image forming apparatus incorporating the sheet conveying device Tomohiro Egawa, Motoharu Takahashi 2022-08-30
11420450 Printing apparatus Yohei Sakon, Shingo Takai, Noboru Hirano, Dai Kurabayashi 2022-08-23
11345558 Sheet conveying device, image forming apparatus incorporating the sheet conveying device, method of conveying conveyance target medium, and method of forming image on conveyance target medium using the method of forming image Tomohiro Egawa, Motoharu Takahashi 2022-05-31
11235597 Image forming apparatus and method of correcting positional deviation of sheet Takaaki KANEKO, Motoharu Takahashi, Tomohiro Egawa 2022-02-01
11148892 Sheet conveying device, image forming apparatus incorporating the sheet conveying device, sheet conveying method using the image forming apparatus incorporating the sheet conveying device, and image forming method using the image forming apparatus incorporating the sheet conveying device Tomohiro Egawa, Motoharu Takahashi 2021-10-19
11021338 Sheet conveying device and image forming apparatus incorporating the sheet conveying device 2021-06-01
10875730 Sheet conveying device, image forming apparatus incorporating the sheet conveying device, and sheet conveying method using the sheet conveying device Eri Uchida, Motoharu Takahashi, Tomohiro Egawa 2020-12-29
10807367 Liquid discharge device and liquid discharge apparatus including liquid discharge device Hiroaki Miyagawa 2020-10-20
10792912 Liquid discharge apparatus Yasuyuki Horie 2020-10-06
10399803 Feeding device, image forming system, and conveyed medium inspection system Kyosuke Nakada, Kiyoshi Hata, Mamoru Yorimoto, Isao MATSUSHIMA, Takeshi Watanabe +1 more 2019-09-03
10081506 Feeding device, image forming system, and conveyed medium inspection system Takeshi Watanabe, Kyosuke Nakada, Kiyoshi Hata, Mamoru Yorimoto, Isao MATSUSHIMA +1 more 2018-09-25
9238566 Sheet cutting device and image forming apparatus including the sheet cutting device Masato Ogawa, Kazuhiro Wakamatsu, Masahiko Yamada, Toshihiro Yoshinuma 2016-01-19
9056498 Image forming apparatus including sheet cutting device Toshihiro Yoshinuma 2015-06-16
8967028 Sheet cutting device and image forming apparatus including the sheet cutting device Masahiko Yamada, Kazuhiro Wakamatsu, Masato Ogawa, Toshihiro Yoshinuma 2015-03-03
8967790 Sheet cutting device and image forming apparatus including the sheet cutting device Masahiko Yamada, Kazuhiro Wakamatsu, Masato Ogawa, Toshihiro Yoshinuma 2015-03-03
8967793 Sheet transport device and image forming device 2015-03-03
8955962 Image forming apparatus including sheet cutting device Kazuhiro Wakamatsu, Masahiko Yamada, Masato Ogawa, Toshihiro Yoshinuma 2015-02-17
8926050 Image forming apparatus 2015-01-06
8925436 Sheet cutting device and image forming apparatus including the sheet cutting device Toshihiro Yoshinuma, Kazuhiro Wakamatsu, Masahiko Yamada, Masato Ogawa 2015-01-06
8911168 Sheet cutting device with restriction unit and image forming apparatus including same Toshihiro Yoshinuma 2014-12-16
8821051 Image forming apparatus with openings for receiving rolls Takayuki Niihara, Masahiko Yamada, Masato Ogawa 2014-09-02
8790028 Image forming apparatus with offset upper and lower sheet roll supporters Takayuki Niihara, Masahiko Yamada, Masato Ogawa 2014-07-29
8764182 Image forming apparatus including sheet cutting device Masato Ogawa, Masahiko Yamada, Kazuhiro Wakamatsu, Toshihiro Yoshinuma 2014-07-01
8657402 Image forming apparatus including sheet cutting device Masahiko Yamada, Masato Ogawa, Kazuhiro Wakamatsu, Toshihiro Yoshinuma 2014-02-25