Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6234787 | Combustion type harmful substance removing apparatus | Fumitaka Endoh, Shuichi Koseki, Shinichi Miyake, Akihiko Nitta, Yoshiaki Sugimori | 2001-05-22 |
| 5957678 | Combustion type harmful substance removing apparatus | Fumitaka Endoh, Shuichi Koseki, Toshio Suwa, Shinichi Miyake, Akihiko Nitta | 1999-09-28 |