HS

Hisayoshi SUGAWARA

Ricoh Company: 12 patents #1,888 of 9,818Top 20%
Overall (All Time): #397,583 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12319525 Sheet feeding device and image forming apparatus incorporating the sheet feeding device Yuka KURUSU, Yoshifumi Ohtsuka, Masato Hashimoto, Kazunori Konno 2025-06-03
11360421 Sheet sorting device, post-processing apparatus, and image forming system Masakazu Fujita, Yasushi Tsuruoka, Takamasa Matsumoto, Hiroaki Utagawa, Ryohsuke Akaishi 2022-06-14
11117770 Sheet stacking apparatus, post-processing apparatus, and image forming system Kei Sasaki, Junya Suzuki, Koji Furuta, Yasuo Niikura, Kazuki Mishina +3 more 2021-09-14
11066268 Binding device, post-processing apparatus, and image forming system Yuusuke Shibasaki, Kei Sasaki, Junya Suzuki, Koji Furuta, Yasuo Niikura +3 more 2021-07-20
11014772 Fold-enforcing assembly, post-processing apparatus, and image forming system Yuuta Mori, Kei Sasaki, Junya Suzuki, Koji Furuta, Yasuo Niikura +3 more 2021-05-25
9802775 Sheet separating device, sheet supplying device, and image forming apparatus Masato Hashimoto, Takashi Fukumoto, Hideaki Takahashi, Munehisa Fuda, Yasuo Niikura +7 more 2017-10-31
9796552 Paper feeding apparatus, image forming apparatus, image forming system Takashi Fukumoto, Yasuo Niikura, Hidetoshi Kojima, Hideaki Takahashi, Munehisa Fuda +5 more 2017-10-24
9725265 Sheet feeding device, image forming apparatus, and image forming system Masato Hashimoto, Takashi Fukumoto, Hideaki Takahashi, Munehisa Fuda, Yasuo Niikura +7 more 2017-08-08
9708140 Sheet feeding device and image forming apparatus Kazuki Seto, Kenji Hayasaka, Kazuki Morita, Tomoyuki Okada 2017-07-18
9540193 Paper feeding apparatus, image forming apparatus, image forming system Takashi Fukumoto, Yasuo Niikura, Hidetoshi Kojima, Hideaki Takahashi, Munehisa Fuda +5 more 2017-01-10
9359157 Sheet feeding device and image forming apparatus Yasuo Niikura, Hidetoshi Kojima, Yuuta Mori, Takashi Fukumoto, Kiyotake NAKAMURA +6 more 2016-06-07
9359158 Sheet feeding device, image forming apparatus, and image forming system Yasunori Hino, Chikara Akata, Tomoki Tamate, Hideaki Takahashi, Munehisa Fuda +10 more 2016-06-07