Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5948154 | Color ink set for ink-jet recording | Hiroko Hayashi, Miharu Kanaya, Yoshiyuki Koike, Yasuhiro Ouki, Akio Owatari | 1999-09-07 |
| 5749951 | Ink composition for color ink jet recording and recording method with the same | Kiyohiko Takemoto, Kazuhide Kubota | 1998-05-12 |
| 5560771 | Color ink composition and color ink jet printing method | Kiyohiko Takemoto, Hiroyuki Onishi, Masaaki Itano, Yoshiyuki Koike, Miharu Yoshida +2 more | 1996-10-01 |
| 5421871 | Ink composition for ink jet recording and process for producing the same | Hiroyuki Onishi, Kiyohiko Takemoto, Naomi Serizawa | 1995-06-06 |