KO

Koji Oka

Ricoh Company: 10 patents #2,244 of 9,818Top 25%
Sumitomo Electric Industries: 10 patents #2,734 of 21,551Top 15%
PA Panasonic: 7 patents #3,841 of 21,108Top 20%
UN Unknown: 4 patents #4,220 of 83,584Top 6%
SS Ssd: 2 patents #6 of 33Top 20%
TT The University Of Tokyo: 2 patents #500 of 2,633Top 20%
MC Mitsui Engineering & Shipbuilding Co.: 1 patents #166 of 496Top 35%
M- M-Fsi: 1 patents #5 of 10Top 50%
Overall (All Time): #117,793 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
11746521 Reinforced structure for column and beam frame Hitoshi Shiohara, Masaomi Teshigawara, Yoshio Inoue, Takashi Sato, Yasue Yagisawa +2 more 2023-09-05
11702836 Structure for joining column and beam frame and shear wall Hitoshi Shiohara, Masaomi Teshigawara, Yoshio Inoue, Takashi Sato, Yasue Yagisawa +3 more 2023-07-18
10462371 Imaging apparatus and imaging method for comparing a template image with a monitoring image 2019-10-29
10460088 Electronic device and connection method 2019-10-29
10122957 Imaging apparatus 2018-11-06
8745609 Imaging system 2014-06-03
8478885 Image photographic apparatus 2013-07-02
8350917 Digital camera, method for sending image data and system for transmitting and receiving image data Naoki Tsunoda 2013-01-08
8004446 A/D converter and A/D conversion method Toshiaki Ozeki, Daisuke Nomasaki, Ikuo Hidaka, Yoshikazu Makabe 2011-08-23
7952733 Image transfer system and image transfer method 2011-05-31
7940121 Operational amplifier and pipeline AD converter Daisuke Nomasaki 2011-05-10
7920779 Heat exchanger and washing apparatus comprising the same Shigeru Shirai, Yasuhiro Umekage, Kazushige Nakamura, Mitsuyuki Furubayashi, Keiko Yasui 2011-04-05
7884750 A/D converter and A/D conversion method Toshiaki Ozeki, Daisuke Nomasaki 2011-02-08
7834701 Bias circuit and semiconductor integrated circuit including the bias circuit Tsuyoshi Matsushita, Junichi Naka 2010-11-16
7750939 Image photographing device and release device Toshiyuki Kobayashi, Takayoshi Shimizu 2010-07-06
7706009 Image printing control apparatus and image printing control method 2010-04-27
7649487 A/D converter and A/D conversion method Toshiaki Ozeki, Daisuke Nomasaki 2010-01-19
7609194 Clock signal generating device and analog-digital conversion device Yoshikazu Makabe, Ikuo Hidaka, Toshiaki Ozeki 2009-10-27
7372002 Fluid heating device and cleaning device using the same Kazushige Nakamura, Shigeru Shirai, Yasuhiro Umekage, Mitsuyuki Furubayashi 2008-05-13
7187407 Control system for image file Makoto Kanehiro, Shigekazu Tsuji 2007-03-06
7042278 Voltage reference circuit with reduced power consumption Heiji Ikoma, Yoshitsugu Inagaki 2006-05-09
7019676 D/A converter Heiji Ikoma 2006-03-28
6866723 Wet cleaning process and wet cleaning equipment Takeji Ueda, Sanae Sumi 2005-03-15
6806764 Reference voltage generation circuit Yoshitsugu Inagaki 2004-10-19
6734817 A/D converter, method of A/D conversion, and signal processing device Junichi Naka, Yoshitsugu Inagaki, Hiroshi Sakura, Heiji Ikoma, Youichi Okamoto +1 more 2004-05-11