Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9129262 | Shop apparatus and purchaser apparatus | Takuya Yoshida, Norikazu Hosaka, Koji Okada, Takehisa Kato | 2015-09-08 |
| 8184807 | Content distribution/browsing system, content distribution apparatus, content browsing apparatus and program | Takehisa Kato, Koji Okada, Norikazu Hosaka, Yoshihiro Fujii | 2012-05-22 |
| 8077863 | Secret sharing apparatus, method, and program | Norikazu Hosaka, Yoshihiro Fujii, Takehisa Kato | 2011-12-13 |
| 8074068 | Secret sharing device, method, and program | Yoshihiro Fujii, Norikazu Hosaka, Takehisa Kato | 2011-12-06 |