Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823821 | Combustion method and apparatus for NOx reduction | Toshihiro Kayahara, Noboru Takubo, Kenji Matunari, Kyosuke Okubo | 2004-11-30 |
| 6764019 | Method for servicing and maintaining heat supply equipment | Toshihiro Kayahara, Yasuo Watanabe | 2004-07-20 |