RY

Ryuji Yoshida

Ricoh Company: 33 patents #538 of 9,818Top 6%
JC Japan Fine Ceramics Center: 4 patents #15 of 117Top 15%
MC Mgc Filsheet Co.: 3 patents #13 of 79Top 20%
MC Mitsubishi Gas Chemical Company: 3 patents #605 of 1,727Top 40%
HH Hitachi High-Technologies: 3 patents #336 of 1,200Top 30%
NC Nippon Seiki Co.: 1 patents #124 of 311Top 40%
IC International Superconductivity Technology Center: 1 patents #110 of 245Top 45%
FC Furukawa Electric Co.: 1 patents #1,242 of 2,370Top 55%
Tdk: 1 patents #2,493 of 3,796Top 70%
WI Wintec: 1 patents #4 of 13Top 35%
Overall (All Time): #73,141 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
9042778 Powder refilling device, process cartridge and image including same, and powder refilling method Kazuya Saitoh, Akio Kosuge, Hirokatsu Suzuki, Takuya Suganuma, Tetsuto Ueda +2 more 2015-05-26
9026007 Image forming apparatus Takashi Bisaiji, Hiroomi Tamura, Hirokatsu Suzuki, Satoru Ishikake 2015-05-05
9010753 Sheet processing apparatus and image forming system Yuusuke Shibasaki, Nobuyoshi Suzuki, Shingo Matsushita, Katsuhiro Kosuge, Wataru Takahashi +4 more 2015-04-21
8927461 Substrate for fabricating superconductive film, superconductive wires and manufacturing method thereof Seiki Miyata, Hiroyuki Fukushima, Reiji Kuriki, Akira Ibi, Masateru Yoshizumi +5 more 2015-01-06
8909112 Image forming apparatus having support members with predetermined electric potentials Tomoko Takahashi, Naoyuki Ozaki, Nobuyuki Koinuma, Hiroaki Maeda, Shunichi Hashimoto +4 more 2014-12-09
8840103 Sheet conveying device and image forming apparatus Takashi Fukumoto, Mamoru Kambayashi, Michitaka Suzuki, Atsushi Fujita, Masataka Fukuchi +7 more 2014-09-23
8818255 Image forming apparatus with fixing liquid applicator Nobuyuki Koinuma, Tomoko Takahashi, Mugijirou Uno, Mikio Ishibashi, Hideki Zemba +4 more 2014-08-26
8774694 Image forming apparatus including sealed fixing liquid applying section Nobuyuki Koinuma, Tomoko Takahashi, Hideaki Kanaya, Shunichi Hashimoto, Naoyuki Ozaki +4 more 2014-07-08
8761651 Image forming apparatus Nobuyuki Koinuma, Mugijirou Uno, Tomoko Takahashi, Mikio Ishibashi, Hideki Zemba +4 more 2014-06-24
8483598 Electrophotographic image forming method and apparatus with a cover film supplying device Shigekazu Enoki, Takuya Suganuma, Yoshinori Nakagawa, Atsushi Kurokawa, Ichiro Kadota +8 more 2013-07-09
8320799 Recycling image forming apparatus Mikio Ishibashi, Nobuyuki Koinuma, 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, Nobuyuki Koinuma, Kazuhisa Sudo, Tokuya Ojimi +4 more 2012-05-15
8010005 Image forming apparatus Masaki Sukesako, Nobuyuki Koinuma, Kazuhisa Sudo, Kazuhiko Yuki, Hiroaki Takahashi +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
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
6775141 Heat dissipation structure for use in combination with electronic circuit board Masato Watanabe 2004-08-10