SO

Shigeru Obata

HI Hitachi: 8 patents #5,191 of 28,497Top 20%
RS Ricoh Printing Systems: 6 patents #12 of 200Top 6%
HC Hitachi Koki Co.: 5 patents #222 of 888Top 25%
Ricoh Company: 5 patents #3,664 of 9,818Top 40%
HS Hitachi Printing Solutions: 2 patents #23 of 99Top 25%
CC Citizen Watch Co.: 1 patents #668 of 1,225Top 55%
Overall (All Time): #210,853 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7953361 Fixing device and image forming apparatus Yoshihiro Fukuhata, Masahiro Yagi, Toshio Ogiso 2011-05-31
7885591 Fixing device including a heating unit and a pressurizing unit that includes a rotatable endless member and image forming apparatus having the same Masahiro Yagi, Yoshihiro Fukuhata 2011-02-08
7831186 Fixing device and image forming apparatus Masahiro Yagi, Yoshihiro Fukuhata, Shin Yamamoto, Toshio Ogiso 2010-11-09
7761044 Fixing device and image forming apparatus using the same Masahiro Yagi, Toshio Ogiso, Chikara Hiraoka, Toru Hanashima, Osamu Saito 2010-07-20
7664447 Fixing device and image forming apparatus Masahiro Yagi, Yoshihiro Fukuhata 2010-02-16
7433640 Fixing apparatus and image forming apparatus including heating member Masahiro Yagi, Toshio Ogiso, Shunichi Oohara, Toru Hanashima, Osamu Saito 2008-10-07
7406287 Fixing device and image forming apparatus provided with fixing device Hiroyoshi Matsumoto, Toshio Ogiso, Masahiro Yagi, Chikara Hiraoka, Chiharu Kamoshida 2008-07-29
7298981 Fixing device and image forming apparatus with guide having adjustable biasing angle Shunichi Oohara, Hiroyuki Seki, Toshio Ogiso, Chikara Hiraoka, Toru Hanashima +1 more 2007-11-20
7167670 Electro-photographic apparatus with a heating roller and pressurizing member Shunichi Oohara, Toshio Ogiso, Kenji Asuwa, Toru Hanashima, Chikara Hiraoka 2007-01-23
7136615 Heat fixing unit with improved belt handling Shunjchi Oohara, Tetsuji Takegoshi, Toshio Ogiso, Kenji Asuwa 2006-11-14
6928257 Image forming and recording apparatus with three pressure members Toshio Ogiso, Masaru Nakano, Hiromitsu Fukuda, Toru Hanashima, Kazushige Oonishi +8 more 2005-08-09
6747844 Disk drive Isao Arai, Yoshiyuki Ohishi, Takuro Kohyama 2004-06-08
6741830 Image forming apparatus Yasushi Kinoshita, Kazutaka Sato, Akitomo Kuwabara, Tetsuya Ooba 2004-05-25
6701837 Widthwise paper drift correction device for elongated web-like print paper Tetsuya Ohba, Yasushi Kinoshita 2004-03-09
6553206 Image forming apparatus Kenji Asuwa, Kazutaka Sato, Yasushi Kinoshita, Akitomo Kuwabara, Tetsuya Ooba 2003-04-22
6285854 Image recording apparatus Hidefumi Ohtsuka, Shuho Yokokawa, Isao Nakajima, Akitomo Kuwabara 2001-09-04
6104907 Image recording apparatus which prevents variation in speed of a recording medium and reduces shift values thereof Hidefumi Ohtsuka, Shuho Yokokawa, Isao Nakajima, Akitomo Kuwabara 2000-08-15
5774777 Continuous recording medium friction-conveying mechanism in image forming apparatus Hidefumi Ohtsuka, Junichi Matsuno, Yasuyuki Tsuji, Shuho Yokokawa, Isao Nakajima +2 more 1998-06-30
5499086 Belt type transfer device for electrophotographic apparatus Junichi Matsuno, Yasuo Takuma, Masato Miwa, Kazuo Uno 1996-03-12
5157414 Thick film type thermal head and thermal recording device Taisaku Seino, Michihiro Watanabe, Munetoshi Zen, Kazutaka Sato, Maya Arai +2 more 1992-10-20
4835550 Thick film type thermal head Kazutaka Sato, Michihiro Watanabe, Munetoshi Zen, Kazuhiko Atoh, Katsuhiko Kamachi 1989-05-30