Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5705089 | Cleaning fluid for semiconductor substrate | Kazushige Tanaka, Ikue Sakuma | 1998-01-06 |
| 5614165 | Process for purification of hydrogen peroxide | Kazushige Tanaka, Hisashi Sakaitani | 1997-03-25 |
| 5328894 | Food-preserving agent | Hidechika Wakabayashi, Akira Hosomi, Futoshi Nakaya | 1994-07-12 |
| 5302311 | Cleaning solution of semiconductor substrate | Kazushige Tanaka, Michiya Kawakami | 1994-04-12 |
| 5180518 | Oxygen absorbent | Toshio Komatsu, Takashi Kashiba, Hidetoshi Hatakeyama, Teruo Takeuchi | 1993-01-19 |
| 5102673 | Oxygen absorbent | Teruo Takeuchi, Hidechika Wakabayashi, Akira Hosomi, Toshio Komatsu | 1992-04-07 |
| 4999179 | Method for purifying impure aqueous hydrogen peroxide solution | Shigeki Shimokawa | 1991-03-12 |
| 4792403 | Method of removing organic impurities from aqueous solution of hydrogen peroxide | Shizuo Togo, Takaki Ikebe | 1988-12-20 |