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Yasushi Nakazato

Ricoh Company: 88 patents #51 of 9,818Top 1%
Overall (All Time): #18,845 of 4,157,543Top 1%
88
Patents All Time

Issued Patents All Time

Showing 76–88 of 88 patents

Patent #TitleCo-InventorsDate
5715500 Image reading device having an automatic document feeder with at least a removable document feeding section Shigeru Horiguchi, Takashi Taruki, Masashi Kouchi, Makoto Tanaka, Hisayo Ohshita 1998-02-03
5638159 Developing unit for an image forming apparatus and method of collecting bicomponent developer therefrom Tsukuru Kai, Nobuo Iwata, Hidetoshi Yano, Satoshi Muramatsu, Yoshiko Ishii +2 more 1997-06-10
5606408 Image forming apparatus and cleaning device therefor Hidetoshi Yano, Hisashi Shoji, Tsukuru Kai, Osamu Endo, Yoshiko Ishii +5 more 1997-02-25
5482265 Sheet feeder for an image forming apparatus Hiroyuki Shibaki, Tetsuo Yamanaka, Hiroshi Hosokawa 1996-01-09
5464200 Sheet storing device with locking bins Makoto Tanaka, Kohki Sakamoto, Hisayo Kondo, Rikio Kasahara, Hiroyuki Shibaki +1 more 1995-11-07
5386272 Apparatus and method for protecting fixing unit in image forming system against damage 1995-01-31
5194879 Image forming apparatus capable of changing dotting density Hiroaki Kotabe, Shigeru Yamazaki, Kouji Yamanobe, Masaru Kaneko, Masahiko Banno +4 more 1993-03-16
5095371 Duplex image forming system with number of single side printed sheets in feed path selected before printing second side Hidetake Tanaka, Shigeru Yamazaki, Koji Yamanobe, Hiroaki Kotabe, Masahiko Banno 1992-03-10
5034780 Image forming apparatus Hiroaki Kotabe 1991-07-23
4956678 Recording sheet transport apparatus Yukitoshi Kiya 1990-09-11
4924320 Image system with connection to operational units Hidetake Tanaka, Shigeru Yamazaki, Koji Yamanobe, Hiroaki Kotabe, Masahiko Banno 1990-05-08
4876606 Image forming system Masahiko Banno 1989-10-24
4855754 Control device for an image recorder Hidetake Tanaka 1989-08-08