Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825813 | Multi-pipe once-through type boiler | Hitoshi Shiraishi, Osamu Tanaka, Akiyoshi Kawahito, Toshihiro Kayahara, Satoru Takeda +2 more | 1989-05-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825813 | Multi-pipe once-through type boiler | Hitoshi Shiraishi, Osamu Tanaka, Akiyoshi Kawahito, Toshihiro Kayahara, Satoru Takeda +2 more | 1989-05-02 |