NK

Nobuyuki Koinuma

Ricoh Company: 23 patents #910 of 9,818Top 10%
Overall (All Time): #185,463 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
8909112 Image forming apparatus having support members with predetermined electric potentials Tomoko Takahashi, Naoyuki Ozaki, Ryuji Yoshida, Hiroaki Maeda, Shunichi Hashimoto +4 more 2014-12-09
8818255 Image forming apparatus with fixing liquid applicator Ryuji Yoshida, Tomoko Takahashi, Mugijirou Uno, Mikio Ishibashi, Hideki Zemba +4 more 2014-08-26
8774694 Image forming apparatus including sealed fixing liquid applying section Ryuji Yoshida, Tomoko Takahashi, Hideaki Kanaya, Shunichi Hashimoto, Naoyuki Ozaki +4 more 2014-07-08
8761651 Image forming apparatus Ryuji Yoshida, Mugijirou Uno, Tomoko Takahashi, Mikio Ishibashi, Hideki Zemba +4 more 2014-06-24
8320799 Recycling image forming apparatus Ryuji Yoshida, Mikio Ishibashi, Hideki Zenba, Naoyuki Ozaki, Hiroaki Maeda +4 more 2012-11-27
8199381 Pasting apparatus and image forming apparatus Kazuhisa Sudo, Mikio Ishibashi, Reki Nakamura, Megumi Ohtoshi, Yukiko Iwasaki +3 more 2012-06-12
8180246 Image forming apparatus Shinichi Kawahara, Masumi Sato, Kazuhisa Sudo, Tokuya Ojimi, Kazuhiko Yuki +4 more 2012-05-15
8023877 Image forming apparatus capable of forming glossy color image Kazuhisa Sudo, Mikio Ishibashi, Yukiko Iwasaki, Megumi Ohtoshi, Reki Nakamura +2 more 2011-09-20
8010005 Image forming apparatus Masaki Sukesako, Kazuhisa Sudo, Kazuhiko Yuki, Hiroaki Takahashi, Takehide Mizutani +1 more 2011-08-30
7997320 Sheet cutter and image forming apparatus including the sheet cutter Kohsuke Yamamoto, Kazuhisa Sudo, Reki Nakamura, Takehide Mizutani, Mikio Ishibashi +5 more 2011-08-16
7960084 Method of preparing information recording medium Mikio Ishibashi, Kazuhisa Sudo, Megumi Ohtoshi, Reki Nakamura, Masafumi Yamada +2 more 2011-06-14
7909081 Sheet laminator, image forming apparatus, and sheet laminating method Kazuhisa Sudo, Mikio Ishibashi, Reki Nakamura, Megumi Ohtoshi, Yukiko Iwasaki +5 more 2011-03-22
7883089 Image forming apparatus Kazuhisa Sudo, Mikio Ishibashi, Megumi Ohtoshi, Reki Nakamura, Masafumi Yamada +3 more 2011-02-08
7869723 Image forming apparatus capable of forming glossy color image 2011-01-11
7865121 Image forming apparatus and recording medium Yukiko Iwasaki, Kazuhisa Sudo, Reki Nakamura, Mikio Ishibashi, Toshihiro Sugiyama +3 more 2011-01-04
7817953 Image recording medium, sheet feeding device, and image forming apparatus Mikio Ishibashi, Reki Nakamura, Kazuhisa Sudo, Megumi Ohtoshi, Masafumi Yamada +4 more 2010-10-19
5270783 Image forming equipment having improved toner sensing Takashi Bisaiji, Kouji Hayashi, Noboru Sawayama, Takeyoshi Sekine, Takayuki Maruta +5 more 1993-12-14
5105284 Digital copier operable with external storing medium Seiji Sakata, Tamotsu Harada, Norifumi Ito, Masayuki Hayashi, Tsuyoshi Yoshimura 1992-04-14
5016114 Digital copier apparatus with external laser card storage medium and image compression variable with available memory Seiji Sakata, Tamotsu Harada, Norifumi Ito, Masayuki Hayashi, Tsuyoshi Yoshimura 1991-05-14
5003354 Method of removing a film from an image carrier of an image forming apparatus Yoshio Takamiya, Kazuyuki Sugihara, Chikara Imai, Yuji Sawai 1991-03-26
4975748 Method of removing a film from an image carrier Chikara Imai, Yoshio Takamiya, Kazuyuki Sugihara, Yuji Sawai 1990-12-04
4670322 Metal oxide magnetic substance and a magnetic film consisting thereof and their uses Hitoshi Nakamura, Hazime Machida, Motoharu Tanaka, Atsuyuki Watada, Fumiya Omi 1987-06-02
4670323 Magneto-optic recording medium having a metal oxide recording layer Hitoshi Nakamura, Hazime Machida, Motoharu Tanaka, Atsuyuki Watada, Fumiya Omi 1987-06-02