Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5998647 | Methane adsorbing-retaining agent and the use thereof in a method for gas storage | Kenji Seki, Masataka Fujiwara, Satoshi Takamizawa | 1999-12-07 |
| 5862796 | Gas storage apparatus, gaseous fuel automobile using the gas storage apparatus, gas storage method and methane adsorbing-retaining agent | Kenji Seki, Masataka Fujiwara, Satoshi Takamizawa | 1999-01-26 |