Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851282 | Thermochromic particle containing linear material | Masayasu Kamada, Yoshimi Hayashi | 1989-07-25 |
| 4826550 | Process for preparing molded product of thermochromic polyvinyl chloride | Yoshimi Hayashi, Yosuke Kitagawa | 1989-05-02 |