Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6241912 | Sheet metal deformation brightener composition | Yasuhiko Kitano, Akira Kodama, Hiroya Miyaoka, Hiroshi Hata, Naoki Kobayashi | 2001-06-05 |
| 4948520 | Softener composition | — | 1990-08-14 |
| 4678590 | Softener composition | Kazuhito Nakamura, Masayoshi Chigira, Kenji Yokoi | 1987-07-07 |