Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5975681 | Ink jet printer and ink jet print head | Fumihiko Ogasawara, Toshinobu Hamazaki, Ichiro Tomikawa, Naoki Morita, Katsuhide Ogawa +6 more | 1999-11-02 |
| 5900894 | Ink jet print head, method for manufacturing the same, and ink jet recording device | Yukihisa Koizumi, Masahiko Fujii, Jun Takagi, Nobuo Kenmotsu, Masayoshi Tamai | 1999-05-04 |
| 5804076 | Method for treatment of waste water and/or exhaust gases containing flourine and surface active agents | Kazuyuki Yamasaki, Kazuyuki Sakata, Shirou Imazu | 1998-09-08 |
| 5702594 | Apparatus for treatment of waste water and/or exhaust gases containing fluorine and surface active agents | Kazuyuki Yamasaki, Kazuyuki Sakata, Shirou Imazu | 1997-12-30 |
| 5680702 | Method for manufacturing ink jet heads | — | 1997-10-28 |
| 5578214 | Apparatus and method for waste water treatment utilizing aerobic and anaerobic microorganisms and capable of exhaust gas treatment | Kazuyuki Yamasaki, Shirou Imazu, Kenji Matuura | 1996-11-26 |