Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11388001 | Encrypted communication device, encrypted communication system, encrypted communication method, and program | Reo Yoshida, Tetsutaro Kobayashi, Yuto KAWAHARA, Tomohide Yamamoto | 2022-07-12 |
| 5699512 | Software analysis protection method for changing the software pattern on the memory of a user terminal | Kenji Moriyasu, Atsusi Kanai, Nobuhisa Miyake, Atsusi Terauchi | 1997-12-16 |
| 5651066 | Cipher key distribution system effectively preventing illegitimate use and charging of enciphered information | Kenji Moriyasu, Atsusi Kanai, Nobuhisa Miyake, Atsusi Terauchi | 1997-07-22 |
| 5257322 | Method and apparatus for pattern recognition and display with optical correlator | Katunori Matsuoka, Kazuo Ohtani | 1993-10-26 |