Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6720426 | Process for producing 2-(4-pyridyl)ethanethiol | Hideto Hayashi | 2004-04-13 |
| 6699606 | Sanitary ware and process for producing the same | Mitsuyoshi Machida, Hirotaka Ishibashi, Tomoyasu Ichiki, Masaaki Ito, Masami Ando +5 more | 2004-03-02 |
| 6696385 | Method of preserving sulfonic acid-type cation-exchange resin modified with thiol-containing amine compound | Hideto Hayashi | 2004-02-24 |
| 6690246 | Oscillator and production method therefor | Masahiko Kimura, Akira Ando, Takuya Sawada | 2004-02-10 |