Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6234787 | Combustion type harmful substance removing apparatus | Fumitaka Endoh, Maya Yamada, Shuichi Koseki, Shinichi Miyake, Akihiko Nitta | 2001-05-22 |
| 5885845 | Method for detecting inorganic hydrides, inorganic halides and organometallic compounds in a gas using copper hydroxide | Tadaharu Watanabe, Hitoshi Kikuchi, Fumitaka Endo, Shinji Ichimura, Megumi Yoshida +1 more | 1999-03-23 |
| 5853678 | Method for removing hydrides, alkoxides and alkylates out of a gas using cupric hydroxide | Tadaharu Watanabe, Hitoshi Kikuchi, Fumitaka Endo, Shinji Ichimura, Megumi Yoshida +1 more | 1998-12-29 |
| 4784837 | Absorbent for treating gases containing the materials used for semiconductor products and process of treating such gases with the same | Masayasu Kitayama, Schunich Ohta | 1988-11-15 |
| 4535072 | Absorbent for treating gases containing the materials used for semiconductor products and process of treating such gases with the same | Masayasu Kitayama, Schunich Ohta | 1985-08-13 |