Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887097 | Recording medium and ink-jet recording process employing the same | Kenji Hasegawa | 1989-12-12 |
| 4877680 | Recording medium with non-porous ink-receiving layer | Mamoru Sakaki, Ryuichi Arai, Shigeo Toganoh, Masahiko Higuma, Naonobu Eto +4 more | 1989-10-31 |
| 4868581 | Ink-receiving composite polymer material | Hidemasa Mouri, Michiaki Tobita, Naonobu Eto, Masahiko Ishida, Shunzo Kouno +4 more | 1989-09-19 |
| 4832984 | Image forming method | Kenji Hasegawa, Masahiko Higuma, Mamoru Sakaki, Ryuichi Arai, Naoya Morohoshi | 1989-05-23 |
| 4801497 | Recording medium | Shunzo Kono, Hidemasa Mouri, Michiaki Tobita, Masahiko Ishida, Naonobu Eto +4 more | 1989-01-31 |