Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5069724 | Method of cleaning carbon member contaminated with inorganic deposits | Yoshiyuki Kobayashi, Takashi Suehaga, Isamu Mouri | 1991-12-03 |
| 5069887 | Method of refining nitrogen trifluoride gas | Takashi Suenaga | 1991-12-03 |