Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5728642 | Exhaust gas treating agent and a method of treating exhaust gas using the agent | Sadaichi Komohara, Isao Harada | 1998-03-17 |
| 5346682 | Process for the preparation of partially-substituted fluorosilane | Atsuhisa Mimoto, Isao Harada | 1994-09-13 |
| 4933158 | Method for purifying nitrogen trifluoride gas | Naruyuki Iwanaga | 1990-06-12 |