TK

Takashi Kitagawa

Sharp Kabushiki Kaisha: 20 patents #789 of 10,731Top 8%
UN Unknown: 6 patents #2,010 of 83,584Top 3%
TO Toyota: 5 patents #5,641 of 26,838Top 25%
Canon: 4 patents #10,118 of 19,416Top 55%
Brother Kogyo: 2 patents #1,845 of 2,767Top 70%
FU Fujifilm: 2 patents #2,431 of 4,519Top 55%
AC Asahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
SM Suzuki Motor: 1 patents #523 of 1,209Top 45%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #77,905 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
7657194 Image forming apparatus and toner supply control program for the same Tatsuya Tanaka, Katsuhiro Nagayama, Masayuki Otsuka 2010-02-02
7616912 Image forming apparatus including a charger and intake/exhaust Yasuhiro Nishimura, Toshiaki Ino, Mitsuru Tokuyama, Kiyofumi Morimoto 2009-11-10
7498559 Optical discharge apparatus and image forming apparatus containing the same Yasuhiro Nishimura, Toshiaki Ino, Mitsuru Tokuyama, Kiyofumi Morimoto 2009-03-03
7272332 Image forming apparatus and density correction data creation method used therein Mitsuru Tokuyama, Toshiaki Ino, Kiyofumi Morimoto, Yasuhiro Nishimura 2007-09-18
7251422 Image correction method and image forming apparatus Mitsuru Tokuyama, Toshiaki Ino, Kiyofumi Morimoto, Yasuhiro Nishimura 2007-07-31
6847791 Image formation controlling method and image forming apparatus Kaori Dakeshita, Toshiaki Ino, Takayuki Yamanaka, Eiichi Kido 2005-01-25
6678491 Optical electric charge removal device and image formation apparatus including the same Eiichi Kido, Toshiaki Ino, Takayuki Yamanaka, Toshio Yamanaka, Hideaki Kadowaki +2 more 2004-01-13
6516162 Image forming apparatus with automatic density compensation Toshiaki Ino, Hiroshi Kawamoto, Masayasu Narimatsu, Ken Yamagishi, Yuka Sakagami 2003-02-04
6347315 Method and apparatus for selecting and utilizing one of computers or databases Yasushi Kiyoki, Teruyoshi Washizawa 2002-02-12
6334129 Data processing apparatus and method Yasushi Kiyoki, Teruyoshi Washizawa 2001-12-25
6269365 Integrated database system Yasushi Kiyoki 2001-07-31
6223007 Image forming apparatus Toshihiro Ohta, Yasutaka Maeda, Makoto Uehara, Katsuhiro Nagayama 2001-04-24
6215968 Image forming apparatus with half-tone density control Makoto Uehara, Toshihiro Ohta, Yasutaka Maeda, Katsuhiro Nagayama, Shouji Tomita +2 more 2001-04-10
6138116 Method and apparatus for retrieving data Yasushi Kiyoki 2000-10-24
4700219 Color imaging apparatus Takanori Tanaka 1987-10-13