KM

Katsumi Marukawa

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
📍 Kodaira, JP: #327 of 1,073 inventorsTop 35%
Overall (All Time): #1,032,874 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7236968 Question-answering method and question-answering apparatus Minenobu Seki, Masanobu Takatsu 2007-06-26
7080252 Method and apparatus for secure data transmission via network 2006-07-18
5835922 Document processing apparatus and method for inputting the requirements of a reader or writer and for processing documents according to the requirements Yoshihiro Shima, Masashi Koga, Kazuki Nakashima, Tetsuzo Uehara 1998-11-10
5768451 Character recognition method and apparatus Toru Hisamitsu, Yoshihiro Shima, Hiroaki Shimokawabe, Yoshihiko Nitta 1998-06-16
5717794 Document recognition method and system Masashi Koga, Yoshihiro Shima, Kazuki Nakashima 1998-02-10