Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849486 | Polyphenylene ether resin composition | Shozo Tsuchiya, Makoto Sasaki | 1989-07-18 |
| 4803138 | Nonaqueous secondary battery | Masataka Takeuchi, Mutsumi Kameyama, Manabu Ohira, Yoshikazu Kikuta, Toyohiko Takahashi | 1989-02-07 |
| 4803248 | Rubber compositions | Hitoshi Kondo, Makoto Sasaki | 1989-02-07 |