EY

Ei Yamamoto

Canon: 19 patents #3,464 of 19,416Top 20%
Overall (All Time): #242,492 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6041265 Operational control device and method for an image processing apparatus Akio Suzuki, Toshiyuki Kitamura, Hiroyoshi Yoshida 2000-03-21
D382012 Intermediate conveying machine for copying machine Takashi Kusanagi 1997-08-05
D376170 Toner bottle for copying machine Toshiaki Nagashima, Kunihiko Kitayama 1996-12-03
D375322 Toner bottle cap for copying machine Toshiaki Nagashima, Kunihiko Kitayama 1996-11-05
D373376 Paper supplying device for copying machine 1996-09-03
D373375 Copying machine Hisakazu Shimizu 1996-09-03
D354307 Automatic document feeder for copying machine 1995-01-10
D338226 Copying machine 1993-08-10
D334944 Pressure plate for copying machine Mitsuru Sakurai 1993-04-20
D334769 Copying machine Mitsuru Sakurai 1993-04-13
D333833 Toner case for copying machine Akihito Kanamori 1993-03-09
D333131 Converter for transmitting image and character data from a computer to a printer 1993-02-09
D322978 Film scanner 1992-01-07
D322979 Automatic slide film exchanging unit 1992-01-07
D319658 Toner container for photo-copier Yutaka Ban 1991-09-03
D319256 Mirror unit for photo-copier projector 1991-08-20
D318486 Copying machine Ryoichi Takahashi, Minoru Aoyama, Mitsuru Sakurai 1991-07-23
D314973 Ink cartridge for printer 1991-02-26
D314190 Data processor Minoru Aoyama 1991-01-29