Issued Patents All Time
Showing 101–102 of 102 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4255249 | Process for production of oil from oil sand | Ichiro Shibanai, Kouki Horikoshi | 1981-03-10 |
| 4223565 | Device for attenuating vibrations in a drive shaft of a motor vehicle | Tomoyuki Sugiyama, Shigeru Machida, Akihiro Kubo, Junichi Araki | 1980-09-23 |