RY

Ryoichi Yasukawa

PL Pfu Limited: 22 patents #13 of 478Top 3%
📍 Kahoku, JP: #11 of 200 inventorsTop 6%
Overall (All Time): #192,883 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
11834291 Medium conveying apparatus for changing torque limit value of torque limiter Takayuki Umi 2023-12-05
11772920 Medium conveying apparatus Naoto Yamaguchi 2023-10-03
11565902 Medium reversing and discharging device Yoshito Hirai 2023-01-31
11407241 Medium conveying apparatus for driving brake roller and conveying roller pair by using single motor Tomofumi Kumahashi 2022-08-09
9242815 Medium supply device Hideyuki Okumura, Kiichiro Shimosaka 2016-01-26
9139386 Document feeder Kiichiro Shimosaka 2015-09-22
9114947 Medium supply device Hideyuki Okumura, Kiichiro Shimosaka 2015-08-25
D721372 Scanner Satoshi Kuroda, Shuji Hashimoto 2015-01-20
8925921 Paper conveying apparatus, abnormality detection method, and computer-readable, non-transitory medium Shuichi Morikawa, Masanobu Hongo, Takayuki Umi 2015-01-06
8840108 Paper reading apparatus, jam detection method, and computer-readable, non-transitory medium Shuichi Morikawa, Masanobu Hongo, Takayuki Umi 2014-09-23
8777212 Medium feeding device 2014-07-15
8764010 Paper conveying apparatus, multifeed detection method, and computer-readable, non-transitory medium Shuichi Morikawa, Masanobu Hongo, Takayuki Umi 2014-07-01
D703264 Imprinter for scanner Motoshi Shibuya, Shuji Hashimoto 2014-04-22
8678372 Medium feeding device 2014-03-25
D692890 Scanner Motoshi Shibuya, Satoshi Kuroda, Shuji Hashimoto 2013-11-05
D692891 Scanner Satoshi Kuroda, Shuji Hashimoto 2013-11-05
7971867 Sheet feeding apparatus and medium detecting method Hiroshi Shiraiwa, Minoru Masuda, Masaya Takamori 2011-07-05
7929869 Sheet feeder and jam detecting method Minoru Masuda, Satoshi Ishida 2011-04-19
7887043 Feeding apparatus with switching pickup roller and brake roller Masaya Takamori, Yusuke Kasashima 2011-02-15
7658374 Sheet feeder Minoru Masuda, Satoshi Ishida 2010-02-09
7621522 Sheet feeding device Kiichiro Shimosaka 2009-11-24
7568695 Sheet feeder and jam detecting method Minoru Masuda, Satoshi Ishida, Noriaki Yamazaki 2009-08-04