Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467261 | Double exhaust pipe for engine | Toru Hisanaga, Hiroshi Shinmura, Yasuyuki Sakurai | 2002-10-22 |
| 6360782 | Exhaust pipe assembly of two-passage construction | Nobuyuki Yoshitoshi, Akihiro Suzuki, Hiroto Yanagibayashi, Kazuo Ishii, Takeshi Munemura +2 more | 2002-03-26 |
| 6205778 | Exhaust pipe assembly for multi-cylinder internal combustion engine | Manabu Akaba, Hideo Matsuzawa | 2001-03-27 |
| 6155046 | Heat-insulation type exhaust manifold | Seiji Kato, Koichi Fujimori, Kazuo Ishii, Takashi Komatsuda, Hiroshi Hashimoto +1 more | 2000-12-05 |
| 5867985 | Exhaust manifold for engine | Hirokazu Mori, Shuichi Nishizaki, Koichi Tanino, Masafumi Imasaka, Ichiro Moritake +1 more | 1999-02-09 |