Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4734323 | Vibration damping soundproof sheets for use in vehicles | Junichi Sato, Tomoyoshi Yamada, Kunihisa Shigenobu, Kouichi Sato | 1988-03-29 |
| 4707528 | Polyamide resin composition | Junji Koizumi, Kouji Sasaki | 1987-11-17 |
| 4368025 | Extrusion device for producing honeycomb structures | Shinichi Yamamoto, Zituo Suzuki, Mitsuru Asano | 1983-01-11 |
| 4362495 | Extrusion device for forming a honeycomb structure | Shinichi Yamamoto, Zituo Suzuki, Mitsuru Asano | 1982-12-07 |
| 4349329 | Extrusion device for producing honeycomb structures | Shinichi Yamamoto, Jitsuo Suzuki, Mitsuru Asano | 1982-09-14 |
| 4240254 | Exhaust gas purifying apparatus for multicylinder internal combustion engines | Takamichi Nakase, Tadashi Hattori, Kenji Kondo | 1980-12-23 |
| 4224302 | Process for producing an alumina catalyst carrier | Kunio Okamoto, Mitsuru Asano | 1980-09-23 |
| 4216653 | Exhaust gas purifying system for internal combustion engines | Takamichi Nakase, Tadashi Hattori, Kenji Kondo | 1980-08-12 |
| 4199938 | Method of operating a three-way catalyst for internal combustion engines | Takamichi Nakase, Tadashi Hattori, Kenji Kondo | 1980-04-29 |