Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5494505 | Composite plating coatings | Toshikazu Tomioka, Katsumi Tomita | 1996-02-27 |
| 5194078 | Exhaust filter element and exhaust gas-treating apparatus | Takao Kusuda | 1993-03-16 |
| 4840028 | Purifier of diesel particulates in exhaust gas | Takao Kusuda, Hisanori Shimoda, Masuo Takigawa, Toshihiro Mihara | 1989-06-20 |
| 4718926 | Exhaust gas filter for diesel engine | Mitsuyoshi Nakamoto, Takao Kusuda, Koichi Shinmura | 1988-01-12 |
| 4652286 | Exhaust gas filter | Takao Kusuda, Toshihiro Mihara, Satoshi Kuwano | 1987-03-24 |