Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6596190 | Remediation agent for contaminated soil and method for the remediation of soil | Junji Igawa, Yasunori Kimura | 2003-07-22 |
| 6379083 | Method for the remediation of soil contaminated with organic halide compounds | — | 2002-04-30 |
| 6224658 | Thiobacillus thiooxidansgrowth inhibitor, cement composition, and cement structure | Atsunori Negishi, Hiromi Uchida, Toshio Enokida, Reiko Tanaka | 2001-05-01 |
| 6146666 | Thiobacillus thiooxidans growth inhibitor | Atsunori Negishi, Yasuo Nogami, Tsuyoshi Sugio | 2000-11-14 |
| 5665241 | Dephosphorizing material and dephosphorizing method | Atsunori Negishi | 1997-09-09 |
| 5518631 | Dephosphorizing material and method of dephosphorization | — | 1996-05-21 |
| 4585486 | Process for placing cement composition having high strength | Keiichi Fujita, Hiroshi Nakauchi, Tatsuo Kita, Yoshiki Nakagawa | 1986-04-29 |