YM

Yoshihisa Minakawa

Ricoh Company: 24 patents #864 of 9,818Top 9%
Overall (All Time): #175,202 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
7901176 Sheet supply/convey supporting device 2011-03-08
D595766 Mass sheet feed tray Takashi Munakata, Aya Masuda, Masanao Takahashi 2009-07-07
D588188 High-speed copying machine with a finisher Yohichi Watanabe, Masanao Takahashi, Takeshi Kimura 2009-03-10
D580482 Dry electrostatic copying machine Takashi Munakata, Aya Masuda, Masanao Takahashi 2008-11-11
D521056 Full color multi-function printing machine Shigeru Horiguchi, Tamaki Someya, Masateru Kohno, Kazuyoshi Yamada 2006-05-16
D494210 Wide digital copying machine Yohichi Watanabe, Satoru Tohyama, Masanao Takahashi, Masateru Kohno 2004-08-10
6631867 Image forming apparatus 2003-10-14
6536645 Image forming apparatus capable of smoothly feeding large-size sheet into main body 2003-03-25
D452874 Wide digital copying machine Taijirou Sueishi 2002-01-08
D443886 Electronic copying machine Masaaki Kabumoto, Kazuyoshi Yamada, Taijiroh Sueishi, Goroh Katsuyama 2001-06-19
D432160 Electronic copying machine Masaaki Kabumoto, Kazuyoshi Yamada, Taijiroh Sueishi, Goroh Katsuyama 2000-10-17
D429275 Stacker for electronic copying machine Masaaki Kabumoto, Kazuyoshi Yamada, Taijiroh Sueishi, Goroh Katsuyama 2000-08-08
D429276 Automatic document feeder for electronic copying machine Masaaki Kabumoto, Kazuyoshi Yamada, Taijiroh Sueishi, Goroh Katsuyama 2000-08-08
D428914 Electronic copying machine Masaaki Kabumoto, Kazuyoshi Yamada, Taijiroh Sueishi, Goroh Katsuyama 2000-08-01
D426260 Sheet feeder for electronic copying machine Masaaki Kabumoto, Kazuyoshi Yamada, Taijiroh Sueishi, Goroh Katsuyama 2000-06-06
D426259 Control panel for electronic copying machine Masaaki Kabumoto, Kazuyoshi Yamada, Taijiroh Sueishi, Goroh Katsuyama 2000-06-06
D425108 Electronic copying machine Masaaki Kabumoto, Kazuyoshi Yamada, Taijiroh Sueishi, Goroh Katsuyama 2000-05-16
D358411 Electronic copying machine Makoto Sugita, Osamu Miki 1995-05-16
D350978 Digital printer 1994-09-27
D339155 Document feeder for copying machine Yuji Suzuki 1993-09-07
D331772 Electrostatic copying machine Yuji Suzuki, Fumiyo Kojima, Mariko Ikeda 1992-12-15
D314582 Camera Tetsuya Goto 1991-02-12
D306308 Camera 1990-02-27
D296703 Camera Tetsuya Goto 1988-07-12