Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8465703 | Filter catalyst and method of analyzing a catalytic layer thereof | Makoto Tsuji, Daisuke Oki | 2013-06-18 |
| 8119988 | Collection-amount detection method for particulate matters and collection-amount detection apparatus therefor and exhaust-gas converting apparatus | Shigeki Daido, Naohisa Oyama, Hitoshi Kato, Shinji Tsuji, Takayuki Shibuya +1 more | 2012-02-21 |
| 5866500 | Process for producing exhaust-gas-purifying catalyst | Norio Taguchi | 1999-02-02 |