Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8171556 | Personal information protection method, personal information protection system, processing device, portable transmitter/receiver, and program | Mikio Fujii, Yutaka Tsukamoto | 2012-05-01 |
| 6038321 | Data transfer method, communication system and storage medium | Mikio Fujii | 2000-03-14 |