HK

Hirotsugu Kojima

TO Toyota: 8 patents #3,629 of 26,838Top 15%
HI Hitachi: 7 patents #5,859 of 28,497Top 25%
HA Hitachi America: 2 patents #27 of 97Top 30%
HC Hitachi Device Engineering Co.: 2 patents #202 of 514Top 40%
RT Renesas Technology: 2 patents #1,374 of 3,337Top 45%
📍 Tokyo, CA: #322 of 583 inventorsTop 60%
Overall (All Time): #257,660 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
8646436 Fuel pump attachment structure Keisuke Wakabayashi, Yoshiaki Sumiya, Shuji Yamaguchi 2014-02-11
8297900 Composite member fixing structure Yoshiaki Sumiya, Kazuya Yoshijima, Takahiro Yamazaki 2012-10-30
8245868 Case locking mechanism Kenji Ikeda 2012-08-21
8161928 Cylinder head cover Kunihiro Yamaura, Yoshiaki Sumiya, Takahiro Yamazaki, Kazuya Yoshijima 2012-04-24
8082906 Air duct for engine Ryu Hirata, Yoshinobu Nagasaka 2011-12-27
7934480 Sealing member and sealing structure Norihiro Katayama 2011-05-03
7212786 Wireless communication system and microcomputer Atsushi Kiuchi, Yuichi Takitsune, Katsumi Yamamoto 2007-05-01
7185244 Semiconductor integrated circuit and electronic system Teruo Kitamura 2007-02-27
5966407 Bus driving system and integrated circuit device using the same Mitsuru Hiraki, Masaru Kokubo, Takafumi Kikuchi, Yuji Hatano, Kouki Noguchi +1 more 1999-10-12
5880981 Method and apparatus for reducing the power consumption in a programmable digital signal processor Avadhani Shridhar 1999-03-09
5851250 Filter element for air cleaner Hiromichi Sugie, Tsuyoshi Minari, Yasunari Arai, Yukihisa Horikoh, Kouji Kume 1998-12-22
5687382 High speed, reduced power memory system implemented according to access frequency Katsuro Sasaki 1997-11-11
5519398 Signal processing apparatus having A/D conversion function Naoki Satoh, Hideki Sawaguchi, Masao Hotta 1996-05-21
5400189 Magnetic recording and reproducing apparatus, reproduction signal processing apparatus, and reproduction signal processing method Naoki Sato, Yasuhide Ouchi, Hideki Sawaguchi, Yosuke Hori 1995-03-21
5235538 Semiconductor operation device with memory for storing operation codes connected from coefficients prior to performing an operation on an input signal Norio Sumi, Junko Nakase 1993-08-10
5222035 Digital filter circuit Junko Nakase 1993-06-22
5027400 Multimedia bidirectional broadcast system Toru Baji, Yukio Nakano, Shiro Tanabe, Tetsuya Nakagawa 1991-06-25
4945506 High speed digital signal processor capable of achieving realtime operation Toru Baji, Nario Sumi, Yoshimune Hagiwara, Shinya Ohba 1990-07-31