Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6521829 | Electromagnetic wave absorbing sheet | Kazuhito Matsumura, Kenichi Yoshida, Tohru Iwai, Masato Yoshizawa | 2003-02-18 |
| 5436076 | Composite cord for reinforcing rubber | Kenichi Okamoto, Akira Nagamine | 1995-07-25 |
| 5118568 | Steel cord for reinforcing rubber | Kenichi Okamoto, Kazuhiko Kawamura | 1992-06-02 |
| 5109661 | Steel cord for reinforcing rubber | Kenichi Okamoto | 1992-05-05 |
| 5048280 | Steel composite cord | Kenichi Okamoto | 1991-09-17 |
| 4947638 | Steel cord for reinforcing rubber | Akira Nagamine, Kenichi Okamoto | 1990-08-14 |
| 4929512 | Metal and composite material made of the metal and rubber | Yoshifumi Nishimura, Susumu Yamamoto, Kiyoshige Muraoka, Mamoru Uchida, Takafumi Taguchi | 1990-05-29 |