Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410502 | Steel sheet and production method therefor | Takuya Hirashima, Tatsuya Nakagaito, Masaki Koba, Kyoko Naito, Seisuke Tsuda +1 more | 2025-09-09 |
| 5421064 | Filaments dispersing device | Hiroshi Ishii, Yoshinori Kobayashi | 1995-06-06 |
| 5336071 | Air gun for the production of non-woven fabric and non-woven fabric producing apparatus | Keiji Kobayashi, Akira Kaneko, Yoshinori Kobayashi | 1994-08-09 |
| 5108820 | Soft nonwoven fabric of filaments | Akira Kaneko, Yoshinori Kobayashi | 1992-04-28 |