Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7892309 | Production method of honeycomb filter and honeycomb filter | Yasuhiko Otsubo, Shinya Tokumaru, Hirohisa Suwabe, Toshitaka Ishizawa | 2011-02-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7892309 | Production method of honeycomb filter and honeycomb filter | Yasuhiko Otsubo, Shinya Tokumaru, Hirohisa Suwabe, Toshitaka Ishizawa | 2011-02-22 |