Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7597808 | Apparatus and method for treating wastewater containing nitrogen-containing dyes | Yuko Takami, Seiichi Nakahara | 2009-10-06 |
| 6461511 | Apparatus and method for waste water treatment | Yasuhiro Baba, Hiroaki Fujii, Kiichirou Oka, Tsutomu Miura | 2002-10-08 |
| 6007712 | Waste water treatment apparatus | Eiji Tanaka, Tamio Higashi, Takanori Kitamura, Takeshi Matsuda, Hiroaki Fujii +3 more | 1999-12-28 |