Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648050 | Metal carrier | Toshiki Matsumoto, Tetsuya Toyao, Tetsuya Nakamura, Hiromasa Aoki, Tatsuya Fujita +4 more | 1997-07-15 |
| 5436216 | Self-heat generation type honeycomb filter and its apparatus | Tetsuya Toyao, Takeshi Matsui, Tetsuya Nakamura, Atsushi Okajima, Hiromasa Aoki +3 more | 1995-07-25 |