Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12109738 | Separator machining apparatus and separator machining method | — | 2024-10-08 |
| 11258077 | Fuel cell separator, method for producing the same, and apparatus for producing the same | — | 2022-02-22 |
| 10930939 | Manufacturing method for fuel cell separator | — | 2021-02-23 |
| 10811698 | Producing method for fuel cell separator | — | 2020-10-20 |
| 7444803 | Exhaust gas control apparatus for engine and method for producing same | Yasunori Iwamoto, Masaharu Kuroda, Toshio Murata | 2008-11-04 |
| 7313939 | Hydroforming machine and a method of hydroforming | — | 2008-01-01 |
| 6729354 | Double-pipe-structure hollow member, method of manufacturing double-pipe-structure hollow member, and fluid treating system employing double-pipe-structure hollow member | Seiji Ishizu, Kazushi Wakide, Akiyoshi Yamamoto, Suekichi Hangeishi, Mamoru Yashima | 2004-05-04 |
| 6390030 | Fuel reformer for mounting on a vehicle | Ryuhei Isogawa, Masatsune Kondo, Shigeru Ogino, Kenji Kimura, Masayoshi Taki +6 more | 2002-05-21 |