Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11819787 | Water-treating ceramic filter unit | Yoshio Katayama, Keiko Nakano | 2023-11-21 |
| 11712648 | Water-treating ceramic filter module | Yoshio Katayama, Keiko Nakano | 2023-08-01 |
| 11472718 | Adsorption structure, adsorption structure unit, and method for manufacturing same | Keiko Nakano, Yoshio Katayama, Atsuhiro Noguchi | 2022-10-18 |
| 9682337 | Ceramic honeycomb filter and its production method | Shunji Okazaki | 2017-06-20 |
| 8821609 | Ceramic honeycomb filter and its production method | Shunji Okazaki | 2014-09-02 |
| 8691361 | Ceramic honeycomb structure and its production method | Shunji Okazaki | 2014-04-08 |
| 8500840 | Cordierite-based ceramic honeycomb filter and its production method | Shunji Okazaki | 2013-08-06 |
| 8435320 | Ceramic honeycomb filter | Kenichiro Sekiguchi, Masakazu Konomi | 2013-05-07 |
| 8388721 | Ceramic honeycomb filter and its production method | — | 2013-03-05 |
| 7892309 | Production method of honeycomb filter and honeycomb filter | Shunji Okazaki, Yasuhiko Otsubo, Shinya Tokumaru, Hirohisa Suwabe | 2011-02-22 |