AH

Atsushi Hayakawa

Dai Nippon Printing Co.: 82 patents #2 of 2,222Top 1%
Brother Kogyo: 29 patents #258 of 2,767Top 10%
Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
AC Ajinomoto Co.: 6 patents #301 of 2,190Top 15%
AD Advantest: 3 patents #330 of 1,193Top 30%
Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
KC Kansai Electric Power Co.: 1 patents #210 of 506Top 45%
Overall (All Time): #8,464 of 4,157,543Top 1%
129
Patents All Time

Issued Patents All Time

Showing 101–125 of 129 patents

Patent #TitleCo-InventorsDate
8396392 Image forming apparatus have a cover and a pressing mechanism for pressing a developing cartridge when closing the cover Yoshihito Takakuwa, Yoshiya Tomatsu 2013-03-12
8190059 Developing unit comprising movement member capable of rotating 2012-05-29
8183017 Method of producing L-lysine Seiko Otsuna, Masakazu Sugimoto, Masako Izui, Eiichi Nakano, Masaki Kobayashi +2 more 2012-05-22
8099018 Pressing mechanism for a developing cartridge Yoshihito Takakuwa, Yoshiya Tomatsu 2012-01-17
8099021 Image forming apparatus Yasushi Okabe 2012-01-17
8036567 Image forming apparatus 2011-10-11
7957671 Image forming device and developing unit with movement member 2011-06-07
7933531 Image formation device 2011-04-26
7846698 Method of producing L-lysine Seiko Otsuna, Masakazu Sugimoto, Masako Izui, Eiichi Nakano, Masaki Kobayashi +2 more 2010-12-07
7809294 Image forming device controlling driving of a motor based on a detected temperature Yoshiteru Hattori 2010-10-05
7680436 Developing unit comprising movement member capable of moving between housing position and protruding position and image forming device 2010-03-16
7599104 Image reading apparatus and multi-functional apparatus having a plate-like pressing member Hiroshi Nobe, Hideaki Nagasaka 2009-10-06
7518765 Image reading apparatus and multi-functional apparatus having grounded pressing plate Hiroshi Nobe 2009-04-14
7509075 Gear unit and image forming device 2009-03-24
7415224 Image-forming device 2008-08-19
7116258 A/D converter, D/A converter and voltage source Kazuyoshi Arimura, Hidekiyo Ozawa 2006-10-03
7075463 A/D converter, D/A converter and voltage source Kazuyoshi Arimura, Hidekiyo Ozawa 2006-07-11
7062216 Image forming device capable of selectively mounting different sheet feed units Hiroshi Nobe 2006-06-13
7012558 A/D converter, battery pack, electronics device and method of voltage measurement Kazuyoshi Arimura, Hidekiyo Ogawa 2006-03-14
D510316 Solar electric generator 2005-10-04
6919043 Method of sterilization for container, apparatus using therefor and heat treatment for container Makoto Hayashi, Masatoshi Takagi, Akira Koyama 2005-07-19
6221636 Method for producing L-lysine Masakazu Sugimoto, Yasuhiko Yoshihara, Tsuyoshi Nakamatsu 2001-04-24
6090597 Method of producing L-lysine Seiko Hirano, Masakazu Sugimoto, Eiichi Nakano, Masako Izui, Yasuhiko Yoshihara +1 more 2000-07-18
5880610 Current-to-voltage converting device and light receiver Kazunori Nishizono, Tetsuji Funaki 1999-03-09
5817450 Emulsification and dispersion method of hydrophobic, photographically useful compound Naoyuki Kawanishi, Masataka Ogawa, Kazuhiko Fujiwara 1998-10-06