Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580458 | Method for waste water treatment using calcium carbonate mineral and microorganisms in combination | Kazuyuki Yamasaki, Yoshihiro Hamaguchi, Shunji Hosoda, Kazuyuki Sakata, Takashi Imai +6 more | 1996-12-03 |
| 5578214 | Apparatus and method for waste water treatment utilizing aerobic and anaerobic microorganisms and capable of exhaust gas treatment | Kazuyuki Yamasaki, Masaki Kataoka, Shirou Imazu | 1996-11-26 |
| 5546259 | Tape transporting apparatus including a tape guide with variable restricting force regions, each used depending upon the amount of tape tension | Noriya Iwata, Shigeki Murata | 1996-08-13 |
| 5480537 | Apparatus for waste water treatment using calcium carbonate mineral and microorganisms in combination | Kazuyuki Yamasaki, Yoshihiro Hamaguchi, Shunji Hosoda, Kazuyuki Sakata, Takashi Imai +6 more | 1996-01-02 |