Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8133632 | Metal component for fuel cell and method of manufacturing the same, austenitic stainless steel for polymer electrolyte fuel cell and metal component for fuel cell using the same, polymer electrolyte fuel cell material and method of manufacturing the same, corrosion-resistant conductive component and method of manufacturing the same, and fuel cell | Shinobu Takagi, Masaki Shinkawa, Mikio Ura, Shinichi Yagi, Yasushi Kaneta | 2012-03-13 |
| 7597987 | Metal component for fuel cell and method of manufacturing the same, austenitic stainless steel for polymer electrolyte fuel cell and metal component for fuel cell material and method of manufacturing the same, corrosion-resistant conductive component and method of manufacturing the same, and fuel cell | Shinobu Takagi, Masaki Shinkawa, Mikio Ura, Shinichi Yagi, Yasushi Kaneta | 2009-10-06 |
| 6338574 | Bearing mechanism, hard disk drive mechanism and polygon mirror drive mechanism using the bearing mechanism, and method for manufacturing herringbone groove portions of dynamic-pressure bearing | Narito Shimizu, Makio Kato, Jun Yatazawa | 2002-01-15 |