Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7454919 | Hot-water supply apparatus | Seiji Ookoshi, Tomoaki Tanabe, Masaaki Sato, Masato Hori | 2008-11-25 |
| 6025429 | Granulated acetylene black, process for its production and its application | Kazuyoshi Tsuruta, Mitsuyoshi Noguchi | 2000-02-15 |
| 5973059 | Granulated acetylene black, process for its production and its application | Kazuyoshi Tsuruta, Mitsuyoshi Noguchi | 1999-10-26 |