Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10120943 | Preference-information gathering system, preference information gathering apparatus and preference-information gathering method | Kimiko Tsurumaki, Takuji Maekawa, Hirokazu Tanaka | 2018-11-06 |