MS

Masaaki Sakaguchi

Fujitsu Limited: 27 patents #902 of 24,456Top 4%
MM Mitsubishi Materials: 12 patents #58 of 1,543Top 4%
MM Mitsubishi Mining: 2 patents #467 of 2,247Top 25%
FC Fuji Electric Co.: 2 patents #952 of 2,643Top 40%
OC Okuno Chemical Industries Co.: 2 patents #8 of 77Top 15%
HH Hitachi High-Technologies: 1 patents #674 of 1,200Top 60%
FC Fuji Electric Imaging Device Co.: 1 patents #14 of 34Top 45%
Overall (All Time): #64,917 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 1–25 of 45 patents

Patent #TitleCo-InventorsDate
11965902 Automatic analysis device Kei Shioya, Hiroki AKASE, Rei Konishi 2024-04-23
9216444 Reactor cleaning apparatus Toshihide Endoh, Masayuki Tebakari, Toshiyuki Ishii 2015-12-22
8840723 Manufacturing apparatus of polycrystalline silicon Toshihide Endoh, Masayuki Tebakari, Toshiyuki Ishii 2014-09-23
8790429 Reactor for polycrystalline silicon and polycrystalline silicon production method Toshihide Endoh, Toshiyuki Ishii, Naoki Hatakeyama 2014-07-29
8703248 Polycrystalline silicon reactor Toshihide Endoh, Masayuki Tebakari, Toshiyuki Ishii 2014-04-22
8652256 Manufacturing apparatus of polycrystalline silicon Toshihide Endoh, Masayuki Tebakari, Toshiyuki Ishii 2014-02-18
8623139 Apparatus for producing polycrystalline silicon Toshihide Endoh, Masayuki Tebakari, Toshiyuki Ishii 2014-01-07
8329132 Polycrystalline silicon manufacturing apparatus and manufacturing method Toshihide Endoh, Masayuki Tebakari, Toshiyuki Ishii, Naoki Hatakeyama 2012-12-11
8231724 Reactor for polycrystalline silicon and polycrystalline silicon production method Toshihide Endoh, Toshiyuki Ishii, Naoki Hatakeyama 2012-07-31
8187382 Polycrystalline silicon manufacturing apparatus Toshihide Endoh, Masayuki Tebakari, Toshiyuki Ishii 2012-05-29
8043660 Method for manufacturing polycrystalline silicon Toshihide Endoh, Masayuki Tebakari, Toshiyuki Ishii, Naoki Hatakeyama 2011-10-25
7975709 Reactor cleaning apparatus Toshihide Endoh, Masayuki Tebakari, Toshiyuki Ishii 2011-07-12
7875349 Polymer inactivation method for polycrystalline silicon manufacturing device Toshihide Endoh, Masayuki Tebakari, Toshiyuki Ishii 2011-01-25
6723480 Substrate for electrophotography photosensitive body, electrophotography photosensitive body, and electrophotography device Hidetaka Yahagi, Naoyuki Senba, Masaru Kobashi, Mikio Yamazaki, Shinichiro Nishimaki +1 more 2004-04-20
6705979 Method of and apparatus for machining web-shaped workpiece and apparatus for processing scrap Kazumasa Harada, Shuji Nakata, Masayoshi Sekino 2004-03-16
6408133 Finder system in photographing apparatus Fuminori Kawamura, Hiroshi Sakata 2002-06-18
6286356 Method of and apparatus for machining web-shaped workpiece and apparatus for processing scrap Kazumasa Harada, Shuji Nakata, Masayoshi Sekino 2001-09-11
6080491 Substrate for electrophotographic photoconductor and electrophotographic photoconductor using the same Ikuo Takaki, Hidetaka Yahagi, Yutaka Nakagishi, Osamu Kimura 2000-06-27
6037089 Electrophotographic photoconductor and method for producing same Hidetaka Yahagi, Yukihisa Tamura, Yutaka Nakagishi 2000-03-14
6027436 Method of and apparatus for machining web-shaped workpiece and apparatus for processing scrap Kazumasa Harada, Shuji Nakata, Masayoshi Sekino 2000-02-22
5754892 Lens-fitted photo film unit with slot for checking shutter operation Fumio Yuito, Shinsuke Aoshima 1998-05-19
5439712 Method for making a composite aluminum article Takeshi Hattori, Kazuhiko Inogutt, Yukio Ohyama, Yutaka Nakagishi 1995-08-08
5419970 Method for making a composite aluminum article Takeshi Hattori, Kazuhiko Inoguti, Yukio Ohyama, Yutaka Nakagishi 1995-05-30
5261621 Method and apparatus for evenly winding magnetic tape Mitsunobu Usui 1993-11-16
5038030 Surface identification for back-coated magnetic recording medium Youichi Hayashi, Kazuo Kubota 1991-08-06