Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889876 | Composite substance and a method for the production of the same | — | 1989-12-26 |
| 4880851 | Aromatic composition and method for the production of the same | — | 1989-11-14 |
| 4830882 | Method of and apparatus for cleaning paint spray guns | Kiyohiro Ichinose, Niichi Toyama, Eiji Kikuchi, Masao Fukuda | 1989-05-16 |