Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8652437 | Method of manufacturing artificial zeolite | Teruo Henmi, Takayuki Nakamura, Toshiaki Ubukata, Hirokuni Matsuda | 2014-02-18 |
| 8568687 | Method of manufacturing solid acid catalyst | Teruo Henmi, Toru Tonegawa, Toshiaki Ubukata, Hirokuni Matsuda | 2013-10-29 |
| 6745707 | Method of disposing of combustible materials | Ichiro Suzuki, Shinichi Nakazawa, Kenji Katagiri, Hitoshi Kumata, Hirokuni Matsuda +1 more | 2004-06-08 |
| 6520098 | Apparatus and method for disposing of dam dirt | Ichiro Suzuki, Shinichi Nakazawa, Kenji Katagiri, Hitoshi Kumata, Hirokuni Matsuda +1 more | 2003-02-18 |
| 5992446 | Stopper system for vessel orifice | — | 1999-11-30 |
| 5857888 | Method of manufacturing a plasma torch eletrode | Hirokuni Matsuda, Jun Aoki | 1999-01-12 |
| 5771818 | Cooling system for waste disposal device | Jun Aoki | 1998-06-30 |
| 5248354 | Method for the preparation of a body of austempered ductile cast iron | Toshio Takahashi, Toshihiko Abe | 1993-09-28 |