Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826802 | Method for preparation of antimony and tellurium-containing metal oxide catalysts | Yutaka Sasaki, Yoshimi Nakamura, Hiroshi Utsumi | 1989-05-02 |
| 4801394 | Heat transfer promoters and method of using the same | Yoshiro Nakamura, Minoru Okumura, Yoshio Mochida, Matsuo Miyazaki | 1989-01-31 |