Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8651650 | Inkjet recording ink, inkjet recording inkset, ink cartridge, inkjet recording method, and recorded matter | Akihiko Matsuyama, Ichiroh Fujii, Yuuki Yokohama, Kiyofumi Nagai, Akihiko Gotoh +2 more | 2014-02-18 |
| 8486185 | Inkjet recording ink, ink cartridge and inkjet recording apparatus | Mariko Kojima, Akiko Bannai, Keita Katoh | 2013-07-16 |
| 7583461 | Defect registration method of magnetic disk, and magnetic disk drive | Toshiaki Satoh | 2009-09-01 |
| 7417816 | Surface analysis test with mixed ECC symbol | Masanori Aratani, Yasuhiro Iihara, Junzoh Noda, Masahiro Shimizu | 2008-08-26 |