Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7593874 | Call center commissioned-service charge billing system | Isao Yoshizawa | 2009-09-22 |
| 4916811 | Process and apparatus for automatically attaching terminals to cable ends | Toshio Nagasaka, Kohji Fujii | 1990-04-17 |
| 4467280 | System for measuring the length of a long magnetizable material | Yoshihiro Nasu | 1984-08-21 |