Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6852233 | Metal-collecting apparatus and method for elution and recovery of metal from metal-collecting material | Takanobu Sugo, Akio Katakai, Noriaki Seko, Shin Hasegawa, Kunio Fujiwara +8 more | 2005-02-08 |
| 6818038 | Polymer substrates for radiation-induced graft polymerization and filter stock | Takanobu Sugo, Kunio Fujiwara, Teruo Masubuchi, Junichi Kanno, Naotoshi Endo +1 more | 2004-11-16 |
| 6811771 | Bactericidal organic polymeric material | Takanobu Sugo, Kazuyoshi Takeda, Kunio Fujiwara, Tadashi Adachi, Makoto Komatsu +2 more | 2004-11-02 |
| 6773654 | Polymer substrates for radiation-induced graft polymerization and filter stock | Takanobu Sugo, Kunio Fujiwara, Teruo Masubuchi, Junichi Kanno, Naotoshi Endo +1 more | 2004-08-10 |
| 6659751 | Apparatus for radiation-induced graft polymerization treatment of fabric webs | Takanobu Sugo, Kunio Fujiwara, Teruo Masubuchi, Junichi Kanno, Naotoshi Endo +1 more | 2003-12-09 |
| 6009739 | Method for evaluating performance of chemical filter for cleaning gas | Kunio Fujiwara, Takeshi Takai, Mari Katsumine, Kazuo IWAKI, Hideaki Sekiguchi | 2000-01-04 |
| 5431824 | Method for removing suspended impurities | Masahiro Hagiwara, Takeshi Izumi | 1995-07-11 |
| 5425866 | Electrically regenerable demineralizing apparatus | Takanobu Sugo, Isao Ishigaki, Kunio Fujiwara, Hideaki Sekiguchi, Takayuki Saito | 1995-06-20 |
| 5387348 | Method of mixed-bed filtration and demineralization with ion-exchange resins | Masahiro Hagiwara, Takeshi Izumi | 1995-02-07 |
| 5308467 | Electrically regenerable demineralizing apparatus | Takanobu Sugo, Isao Ishigaki, Kunio Fujiwara, Hideaki Sekiguchi, Takayuki Saito | 1994-05-03 |
| 5308876 | Materials for removing suspended impurities and use thereof | Masahiro Hagiwara, Takeshi Izumi | 1994-05-03 |