Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5328683 | Water repellent and method of preparation | — | 1994-07-12 |
| 5320796 | Method for the preparation of powder mixtures | Kaoru Kunimatsu, Atsushi Sasaki, Ryuji Tachibana | 1994-06-14 |