HS

Hirohisa Sawada

Canon: 24 patents #2,540 of 19,416Top 15%
Overall (All Time): #167,848 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12282282 Image forming system with reduced risk of disconnection of a cable connecting an operation unit and an image forming apparatus Yusaku Makino 2025-04-22
12267471 Image forming apparatus having a cable and a reinforcing member along the cable Yusaku Makino, Shingo Hattori 2025-04-01
12166928 Image forming apparatus with hardware keys provided on a back surface of an operating portion 2024-12-10
11876938 Image forming apparatus having a cable protected by a reinforcing member Yusaku Makino, Shingo Hattori 2024-01-16
11825052 Image forming apparatus 2023-11-21
11811986 Image forming apparatus with a hardware key provided on a back side of a display screen 2023-11-07
11733942 Image forming apparatus comprising an operating portion, an input device, and an IC card reader that is disposed beyond a right side wall of an outer casing frame Shigeharu Kurita, Shingo Hattori 2023-08-22
11513570 Image forming system including operation unit Shingo Hattori 2022-11-29
11196882 Image forming apparatus on which card reader is mountable Shingo Hattori 2021-12-07
10944879 Image forming apparatus 2021-03-09
10291803 Image forming apparatus 2019-05-14
10033889 Operation unit and image forming apparatus 2018-07-24
9794438 Operation unit and image forming apparatus 2017-10-17
7853166 Image forming apparatus with operation disabling feature Masakatsu Yamada, Tatsuyuki Yamamoto, Takafumi Katayama, Daigo Nakagawa, Fumihiko Nakamura +1 more 2010-12-14
7528999 Image forming apparatus Kazuhiko Hasegawa, Yoshiyuki Nakayama, Tatsuyuki Yamamoto 2009-05-05
7110148 Duplex image reading apparatus Kazuhiko Hasegawa 2006-09-19
6678076 Image reading apparatus Kazuhiko Hasegawa, Junichi Suzuki, Norio Kajiwara, Toshiyuki Takano, Akihiro Tomoda +2 more 2004-01-13
6622002 Image forming apparatus having duplex recording function 2003-09-16
6385433 Sheet stacking device having a plurality of trays with shifted end parts and an image forming apparatus using the sheet stacking device 2002-05-07
6369917 Image forming apparatus with temperature control activated by mode switching 2002-04-09
5800084 Ink sheet cartridge and recording apparatus using the ink sheet cartridge Masakatsu Iwata, Keizo Sasai, Fumihiko Nakamura 1998-09-01
5563696 Image fixing apparatus with power control during sheet passage Jiro Futagawa, Shigeo Miura 1996-10-08
5534910 Recording apparatus with ink sheet conveyance adjusted according to a detected ink sheet conveying state Keizo Sasai, Masakatsu Iwata, Fumihiko Nakamura 1996-07-09
5430468 Image recording apparatus Keizo Sasai, Takehiro Yoshida, Masakatsu Iwata, Makoto Kobayashi, Minoru Yokoyama +3 more 1995-07-04