Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7618922 | Thermally-sensitive recording medium | Akihito Ogino, Seiki Yoneshige, Junpei Natsui, Jun Makihara | 2009-11-17 |
| 4306969 | Apparatus for sewage purification | Takaai Tamura, Tomeyoshi Ozawa, Wataru Ito, Norihiko Fujita, Yukihiko Tamaki | 1981-12-22 |
| 4219424 | Apparatus for enriching oxygen contained in water | Takaaki Tamura, Tomeyoshi Ozawa, Wataru Ito, Norihiko Fujita | 1980-08-26 |