Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10619093 | Photoluminescent material | Kouju Sugiyama, Kaoru Yamaguchi, Shinji FUJIKI, Shogo Fujiwara, Fumio Kurosaki +2 more | 2020-04-14 |
| 5215551 | Alumina-based ceramics materials, abrasive materials and method for the manufacture of the same | Tetsuo Hatanaka, Tadashi Hiraiwa, Norimichi Aoki, Shoichi Imai | 1993-06-01 |