YY

Yoichi Yamakawa

FI Fujifilm Business Innovation: 19 patents #61 of 1,659Top 4%
TK Toyoda Koki Kabushiki Kaisha: 9 patents #37 of 674Top 6%
AT A&P Technology: 1 patents #12 of 26Top 50%
📍 Yokohama, JP: #243 of 480 inventorsTop 55%
Overall (All Time): #121,940 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
12388936 Document reading device and image forming apparatus Ryusuke NAKATA, Naoyuki Kato, Kenji Yamada, Satoshi Noda, Kenichi Ishikura +15 more 2025-08-12
12346049 Driving device and image forming apparatus Shinnosuke KONDO, Naoyuki Kato, Kenji Yamada, Satoshi Noda, Kenichi Ishikura +15 more 2025-07-01
12328420 Document reading device and image forming apparatus Miho Morita, Naoyuki Kato, Kenji Yamada, Satoshi Noda, Kenichi Ishikura +15 more 2025-06-10
12319524 Sheet containing apparatus and image forming apparatus Kenichi Ishikura, Naoyuki Kato, Kenji Yamada, Satoshi Noda, Shinya Hasegawa +15 more 2025-06-03
11940754 Container member and image forming apparatus Shinya Hasegawa, Kota TOMIOKA, Hiroyuki Tanaka 2024-03-26
11926501 Accommodating device and image forming apparatus with accommodating unit Kota TOMIOKA, Hiroyuki Tanaka, Shinya Hasegawa 2024-03-12
11772916 Container member and image forming apparatus with container body containing and tilting recording medium Shinya Hasegawa, Kota TOMIOKA, Hiroyuki Tanaka 2023-10-03
11614709 Accommodating device and image forming apparatus Kota TOMIOKA, Hiroyuki Tanaka, Shinya Hasegawa 2023-03-28
11347173 Retracting device, accommodating device, and image forming apparatus Yasunobu Goto, Shumpei NOZAWA, Shuhei KOBORI 2022-05-31
11247497 Attachment structure and image forming apparatus Shumpei NOZAWA 2022-02-15
11199800 Image forming apparatus Eiichiro YAMAGUCHI, Keita Mizukoshi 2021-12-14
9946210 Sheet transport device and image forming apparatus Shuhei KOBORI, Shumpei NOZAWA, Yasunobu Goto 2018-04-17
9242821 Transport device and image forming apparatus Kiyoshi Watanabe, Naohito Otsuki, Mizuki ARAI 2016-01-26
9242824 Transport mechanism and image forming apparatus Mizuki ARAI, Naohito Otsuki, Kiyoshi Watanabe 2016-01-26
9022384 Recording-material transport apparatus and recording-material transport method Yousuke Hasegawa, Michio Tada, Takashi Abe, Yoshiyuki Takaishi, Hisakazu Onoe +2 more 2015-05-05
8867089 Recording material transporting device and image forming apparatus Makio Uehara, Michio Tada, Takashi Abe, Yoshiyuki Takaishi, Yousuke Hasegawa +2 more 2014-10-21
8814161 Sheet transporting device and image forming apparatus with regulating member and first transport member moving together Michio Tada, Takashi Abe, Yoshiyuki Takaishi, Yousuke Hasegawa, Hisakazu Onoe +2 more 2014-08-26
8672320 Recording-material transport apparatus and recording-material transport method Yousuke Hasegawa, Michio Tada, Takashi Abe, Yoshiyuki Takaishi, Hisakazu Onoe +2 more 2014-03-18
8434759 Sheet transport device and image forming apparatus Takashi Abe, Michio Tada, Yoshiyuki Takaishi, Yousuke Hasegawa, Hisakazu Onoe +2 more 2013-05-07
7922973 Combined unit of humidity indicator and desiccant pack 2011-04-12
7316198 Humidity indicator 2008-01-08
5715729 Machine tool having parallel structure Taizo Toyama, Hiroyoshi Suzuki 1998-02-10
5485752 Apparatus for detecting contact with rotating body Hiroaki Asano, Yasuhiro Kobayashi, Shigeo Hotta, Akira Ito, Hirotaka Sugiura 1996-01-23
5329458 Device and method for detecting position of edge of cutting tool Kunihiko Unno, Kazuhiko Sugita, Tetsuro Shibukawa, Hiromichi Ohta 1994-07-12
5274564 Method and apparatus for machining a non-circular workpiece Kazuhiko Sugita, Norio Sakakibara, Nobumitsu Hori, Toshihiro Takahashi 1993-12-28