Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7858670 | Photosensitive inkjet ink | Ryozo Akiyama, Hiroshi Kiyomoto, Kazuhiko Ohtsu, Toru Ushirogouchi, Mitsuru Ishibashi | 2010-12-28 |
| 7803851 | Inkjet ink | Mitsuru Ishibashi, Toru Ushirogouchi, Hiroshi Kiyomoto, Ryozo Akiyama, Kazuhiko Ohtsu +1 more | 2010-09-28 |
| 7473720 | Photosensitive inkjet ink | Ryozo Akiyama, Toru Ushirogouchi, Kazuhiko Ohtsu, Mitsuru Ishibashi, Hiroshi Kiyomoto | 2009-01-06 |
| 7375145 | Inkjet ink | Ryozo Akiyama, Toru Ushirogouchi, Kazuhiko Ohtsu, Mitsuru Ishibashi, Hiroshi Kiyomoto | 2008-05-20 |