Issued Patents All Time
Showing 1–4 of 4 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, Shinichi Yagi, Yasushi Kaneta, Tatsuo Hisada | 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, Shinichi Yagi, Yasushi Kaneta, Tatsuo Hisada | 2009-10-06 |
| 4801195 | Variable light transmittance glass board functional as electrochromic cell | Mikio Kawai, Harutoshi Miyagi | 1989-01-31 |
| 4645307 | Electrochromic device | Takeshi Miyamoto, Shigenori Kazama, Takao Kase, Yoshiko Maeda | 1987-02-24 |