MO

Masaru Ohki

HI Hitachi: 4 patents #146 of 3,189Top 5%
Overall (2005): #10,782 of 245,428Top 5%
4
Patents 2005

Issued Patents 2005

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6976635 Method of providing IC card service, card terminal, and IC card Minoru Ashizawa, Yusuke Mishina 2005-12-20
6968354 Tamper-resistant modular multiplication method Masahiro Kaminaga, Takashi Endo, Takashi Watanabe 2005-11-22
6931379 IC card system and IC card Akiko Sato, Yusuke Mishina, Satomi Baba, Yutaka Matsui 2005-08-16
6839847 Information processing equipment and IC card Yasuko Fukuzawa, Susumu Okuhara, Masahiro Kaminaga 2005-01-04