Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6679992 | Method and apparatus for purifying polluted substances containing halogenated organic compound | Tatsuo Shimomura, Shunji Oya | 2004-01-20 |
| 6468486 | Process for treating exhaust gases containing nitrides | Shigeki Yamashita | 2002-10-22 |
| 6328657 | Threaded fastener and a method of making same | Yoshisada Michiura, Keiichi Maekawa, Mitsuaki Kohara, Kenji Higashi, Takeyuki Asaoka | 2001-12-11 |
| 6099731 | Method and apparatus for treating water | Hiroo Uchiyama, Osami Yagi, Tatsuo Shimomura, Takeshi Hasegawa | 2000-08-08 |