Issued Patents 2017
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9819487 | Re-encryption key generator, re-encryption device, encryption device, decryption device, and program | Koji Okada, Tatsuyuki Matsushita, Ryotaro Hayashi | 2017-11-14 |
| 9813386 | Cooperation service providing system and server apparatus | Koji Okada, Hiroyuki Mayuzumi, Masahisa Tajiri | 2017-11-07 |
| 9719154 | Titanium slab for hot rolling, and method of producing and method of rolling the same | Kazuhiro Takahashi, Tomonori Kunieda, Kenichi Mori, Hiroaki Otsuka, Hideki Fujii +4 more | 2017-08-01 |
| 9698984 | Re-encrypted data verification program, re-encryption apparatus and re-encryption system | Takuya Yoshida, Koji Okada | 2017-07-04 |
| 9635001 | Re-encryption system, re-encryption apparatus, and program | Yuki Kaseda, Takuya Yoshida, Shingo Abe, Masataka Yamada | 2017-04-25 |