Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6893692 | Ink jet recording sheet | Minoru Tsuchida | 2005-05-17 |
| 6777040 | Recording sheet for ink jet printer | Fumikazu Tatsuhashi, Nobuhiro Kubota, Shigeki Asai, Kazushige Katagiri, Minoru Tsuchida | 2004-08-17 |
| 6455169 | Inkjet recording sheet | Kiyoshi Iwamoto, Hiroyuki Onishi, Masaaki Itano, Akio Owatari | 2002-09-24 |
| 6245422 | Recording medium having gloss surface layer | Hiroyuki Onishi, Masaaki Itano, Kiyoshi Iwamoto | 2001-06-12 |
| 6139940 | Inkjet recording sheet | Kiyoshi Iwamoto | 2000-10-31 |
| 5958564 | Ink jet recording sheet | Kiyoshi Iwamoto | 1999-09-28 |