Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10326150 | Fuel cell module, fuel cell stack, and method for producing fuel cell module | YOSHIFUMI TAGUCHI, Tsutomu Kawashima, Mitsuo Yoshimura | 2019-06-18 |
| 10326148 | Fuel cell gas diffusion layer and method of manufacturing same | Takeou Okanishi, Hiroshi Ishikawa, Keiichi Yamamoto, Tsutomu Kawashima, Yasushi Sugawara +2 more | 2019-06-18 |
| 8546042 | Membrane electrode assembly and polymer electrolyte fuel cell | Kohei Ugawa, Hiroshi Kashino, Shoji Saibara | 2013-10-01 |
| 6936356 | Magnetic recording medium comprising a magnetic layer having specific thickness, surface roughness and projections | Masakazu Tani, Yoshiyuki Makita, Kenichiro Yoshida | 2005-08-30 |
| 6926976 | Magnetic recording medium comprising a magnetic layer having specific thickness and projections | Masakazu Tani, Yoshiyuki Makita, Kenichiro Yoshida | 2005-08-09 |
| 6921592 | Magnetic recording medium comprising a magnetic layer having specific thickness, surface roughness and friction coefficient | Masakazu Tani, Yoshiyuki Makita, Kenichiro Yoshida | 2005-07-26 |
| 6780531 | Magnetic recording medium comprising a magnetic layer having specific surface roughness and protrusions | Masakazu Tani, Yoshiyuki Makita, Kenichiro Yoshida | 2004-08-24 |