Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7273672 | Solid polymer electrolyte fuel cell | Yoshitsugu Sone, Saburou Kuwashima | 2007-09-25 |
| 6613467 | Polymer electrolyte fuel cells system | Hiroshi Chizawa, Yasuji Ogami, Kazuo Saito | 2003-09-02 |
| 4766043 | Fuel cell | Tamotsu Shirogami | 1988-08-23 |
| 4756718 | Method of manufacturing a fuel cell assembly | Noboru Segawa, Yasuji Ogami | 1988-07-12 |
| 4661423 | Fuel cell electrolyte matrix and method for manufacturing the same | Tamotsu Shirogami, Noboru Segawa | 1987-04-28 |
| 4578135 | Fuel cell electrolyte matrix and method for manufacturing the same | Tamotsu Shirogami, Noboru Segawa | 1986-03-25 |
| 4555324 | Porous gas diffusion electrode and method of producing the same | Tamotsu Shirogami, Yukihiro Mikogami | 1985-11-26 |
| 4515871 | Electrochemical power generator | Tamotsu Shirogami | 1985-05-07 |
| 4478918 | Fuel cell stack | Tadanori Maoka, Kenji Murata, Tamotsu Shirogami | 1984-10-23 |
| 4461813 | Electrochemical power generator | Tamotsu Shirogami | 1984-07-24 |