Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4961972 | Process for producing linear material | Masayasu Kamada, Yoshimi Hayashi | 1990-10-09 |
| 4957949 | Thermochromic color masterbatch | Masayasu Kamada, Toshihisa Maeda, Tadashi Kobayashi | 1990-09-18 |
| 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 |
| 4717710 | Thermochromic composition | Yoshimi Hayashi | 1988-01-05 |
| 4666949 | Thermochromic polyurethane foam | Yoshimi Hayashi, Hajime Hasegawa, Taiji Koga, Atsuo Takei, Tohru Okuyama +1 more | 1987-05-19 |
| 4560604 | Method of flocking treatment | Yosuke Kitagawa | 1985-12-24 |