Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818785 | Fine particulate crosslinked amorphous copolymer and preparation and use thereof | Yasuhiko Otawa, Tetsuo Tojo, Katsuo Okamoto | 1989-04-04 |
| 4804444 | Method of producing a both-side electrogalvanized steel strip in a chloride bath | Hajime Kimura | 1989-02-14 |
| 4800130 | Laminate excellent in surface gloss and surface hardness, and preparation process and use thereof | Katsuyoshi Yonekura, Akira Uchiyama | 1989-01-24 |