Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9666330 | Polyurethane resin composition for electrical insulation | Yoshimichi Takei, Takashi Fukuchi | 2017-05-30 |
| 5906738 | Apparatus and method for removing impurities from aqueous hydrogen peroxide | Yasuyoshi Sawaguri, Yoji Matsuda | 1999-05-25 |
| 5711928 | Process for producing high-purity sulfuric acid | — | 1998-01-27 |
| 5583635 | Method of measuring particles and apparatus for the same | Yasuhiro Miura, Yutaka Shiomi, Masao Morikawa | 1996-12-10 |