Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5145891 | Polypropylene resin composition | Yoshiaki Yasukawa, Hiroyoshi Asakuno, Kenji Iwai | 1992-09-08 |
| 5145892 | Polypropylene resin composition | Yoshiaki Yasukawa, Hiroyoshi Asakuno, Kenji Iwai | 1992-09-08 |
| 4981938 | Highly crystalline polypropylene | Tohru Hanari, Ichiro Namiki, Hiromasa Chiba, Kiyoshi Matsuda | 1991-01-01 |
| 4914155 | Thermoplastic resin composition | Yozo Shimomura, Osamu Kojima | 1990-04-03 |
| 4871805 | Polypropylene composition | Yozo Shimomura, Osamu Kojima | 1989-10-03 |
| 4638030 | Polypropylene interior parts for autocars | Hiroyoshi Asakuno, Kiyoaki Suzuki, Mamoru Nishida, Kenji Iwai, Masahiro Tamamushi +1 more | 1987-01-20 |
| 4483322 | Water heating apparatus | — | 1984-11-20 |