Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10789374 | Database system and data retrieval method | Keisei Fujiwara, Takayuki Suzuki, Yoshinori Sato, Masayuki Yoshino | 2020-09-29 |
| 9317716 | Privacy protection-type data providing system | Michio Oikawa, Yoshinori Sato, Keisei Fujiwara, Kunihiko Harada, Tatsuya Nakae | 2016-04-19 |