HF

Hiroshi Fujiwara

Ricoh Company: 38 patents #399 of 9,818Top 5%
PA Panasonic: 19 patents #1,080 of 21,108Top 6%
OC Olympus Optical Co.: 16 patents #155 of 2,334Top 7%
Kubota: 6 patents #338 of 2,059Top 20%
KA Kaneka: 5 patents #246 of 1,525Top 20%
MC Maruzen Oil Co.: 4 patents #1 of 32Top 4%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
KE Kokusai Electric: 3 patents #177 of 583Top 35%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
MC Maruzen Petrochemical Co.: 2 patents #56 of 174Top 35%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
TC Toyo Advanced Technologies Co.: 1 patents #21 of 40Top 55%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
DA Daihen: 1 patents #169 of 305Top 60%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
HC Hitachi Automotive Engineering Co.: 1 patents #156 of 314Top 50%
JC J.S.T. Mfg. Co.: 1 patents #144 of 255Top 60%
KU Kyoto University: 1 patents #568 of 1,688Top 35%
BR Bell Communications Research: 1 patents #278 of 628Top 45%
MC Mitsubishi Rayon Engineering Co.: 1 patents #25 of 48Top 55%
NU National University Corporation Ehime University: 1 patents #37 of 160Top 25%
NS Nec Soft: 1 patents #14 of 38Top 40%
NI Nec Solution Innovators: 1 patents #69 of 178Top 40%
Overall (All Time): #10,641 of 4,157,543Top 1%
116
Patents All Time

Issued Patents All Time

Showing 51–75 of 116 patents

Patent #TitleCo-InventorsDate
8256769 Feeding device and image forming apparatus Masafumi Takahira, Shigeo Nanno, Yasuhide Ohkubo, Ippei Kimura, Mizuna Tanaka +3 more 2012-09-04
8260187 Image forming device Haruyuki Honda, Yasuo Matsuyama, Kazuyoshi Kondo, Yasuhide Ohkubo, Ippei Kimura +4 more 2012-09-04
8240657 Sheet feeding device and image forming apparatus Mizuna Tanaka, Yasuo Matsuyama, Kazuyoshi Kondo, Toshikane Nishii, Ippei Kimura +5 more 2012-08-14
8118296 Open/close mechanism for paper tray for use in image forming apparatus Toshikane Nishii, Kazuhiro Wakamatsu, Yasuhide Ohkubo, Ippei Kimura, Mizuna Tanaka +2 more 2012-02-21
8087666 Sheet discharge device and image forming apparatus Haruyuki Honda, Kazuyoshi Kondo, Toshikane Nishii, Mizuna Tanaka, Tomoyoshi Yamazaki 2012-01-03
8087918 Pressing mold and method for producing the same Ichiro Kanba, Tadashi Takano 2012-01-03
8070159 Switchback mechanism and image forming apparatus Haruyuki Honda, Yasuhide Ohkubo, Ippei Kimura, Toshikane Nishii, Shigeo Nanno +3 more 2011-12-06
8045888 Sheet conveying device and image forming apparatus Shigeo Nanno, Yasuhide Ohkubo, Ippei Kimura, Yoshihide Ohta, Tomoyoshi Yamazaki +1 more 2011-10-25
7992860 Sheet feeding device, image forming apparatus, and sheet feeding method Ippei Kimura, Yasuo Matsuyama, Yasuhide Ohkubo, Toshikane Nishii, Mizuna Tanaka +3 more 2011-08-09
7963520 Sheet loading device, sheet conveying device, and image forming apparatus Mizuna Tanaka, Shigeo Nanno, Tomoyoshi Yamazaki, Yasuhide Ohkubo, Haruyuki Honda +3 more 2011-06-21
7954814 Feeding device and image forming apparatus Masafumi Takahira, Shigeo Nanno, Yasuhide Ohkubo, Ippei Kimura, Mizuna Tanaka +3 more 2011-06-07
7918451 Switchback mechanism and image forming apparatus Haruyuki Honda, Yasuhide Ohkubo, Ippei Kimura, Toshikane Nishii, Shigeo Nanno +3 more 2011-04-05
7900917 Recording medium conveyer capable of effectively conveying recording medium of various types Mizuna Tanaka, Tomoyoshi Yamazaki, Toshikane Nishii, Kazuyoshi Kondo, Haruyuki Honda 2011-03-08
7878725 Image forming apparatus having removable units Yasuhide Ohkubo, Shigeo Nanno, Ippei Kimura, Yoshihide Ohta, Tomoyoshi Yamazaki +2 more 2011-02-01
7731182 Sliding mechanism, sheet guide, sheet loading device, and image forming apparatus Toshikane Nishii, Shigeo Nanno, Tomoyoshi Yamazaki, Yasuhide Ohkubo, Ippei Kimura +1 more 2010-06-08
7731170 Open/close mechanism for paper tray for use in image forming apparatus Toshikane Nishii, Kazuhiro Wakamatsu, Yasuhide Ohkubo, Ippei Kimura, Mizuna Tanaka +2 more 2010-06-08
7677555 Sheet conveying apparatus and image forming apparatus with vibration applying unit Mizuna Tanaka, Yasuo Matsuyama, Tomoyoshi Yamazaki, Toshikane Nishii, Kazuyoshi Kondo +4 more 2010-03-16
7676176 Image forming apparatus including cover and supporting unit Masafumi Takahira, Yasuhide Ohkubo, Ippei Kimura, Tomofumi Inoue, Takeru Muramatsu 2010-03-09
7607658 Sheet conveyance apparatus having mechanism for flexibly controlling interval between sheets and image forming apparatus 2009-10-27
7517800 Semiconductor device and manufacturing method thereof Tomonori Okudaira, Takeshi Hayashi, Yasushi Fujita, Kiyoteru Kobayashi 2009-04-14
6762212 Extruded styrene resin foams and methods for producing the same Youichi Oohara, Fuminobu Hirose, Takeshi Sato, Toru Yoshida 2004-07-13
6696504 Extruded styrene resin foams, and methods for producing the same Takahiro Hayashi, Osamu Kobayashi, Jun Fukuzawa 2004-02-24
6569912 Extruded styrene resin foam and process for producing the same Youichi Oohara, Fuminobu Hirose, Takeshi Sato, Toru Yoshida 2003-05-27
6557073 Storage apparatus having a virtual storage area Hajime Sugiura 2003-04-29
6318864 Sterile instruments cover for use on surgical microscopes Takashi Fukaya, Tohru Shinmura, Koji Yasunaga, Kazuo Banju, Masaaki Ueda +3 more 2001-11-20