Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8383288 | Fuel cell separator and molding method for fuel cell separator | Satoshi Oyama, Mikihiko Kimura | 2013-02-26 |
| 8313680 | Method of producing fuel cell | Takaaki Mitsuoka, Tetsuhiro Takehara, Masaru Oda, Seiji Sugiura, Teruyuki Ohtani +1 more | 2012-11-20 |
| 8137864 | Fuel cell formed with metal separators | Eri Ishikawa, Seiji Sugiura, Mikihiko Kimura | 2012-03-20 |
| 6183674 | Manufacturing method of diaphragm for use in electroacoustic transducers | — | 2001-02-06 |
| 5705108 | Method for making edge for loudspeaker diaphragm | — | 1998-01-06 |