Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6599748 | Hardness indicator composition and method of water hardness analysis | Junichi Nakajima, Keita Mizogami | 2003-07-29 |
| 6190611 | Hardness indicator | Kazuhiro Tachino, Yoshitami Tsubota, Sadatoshi Takechi, Junichi Nakajima, Masazumi Yamashita +2 more | 2001-02-20 |
| 5938414 | Liquid feeding apparatus having a cassette accommodating an elastic tube | Toshihiro Kayahara, Kazuhiro Tachino, Yoshitami Tsubota, Sadatoshi Takechi, Satoshi Wakasa +2 more | 1999-08-17 |