Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8394157 | Filter for gas generator | Kazuya Koyama, Naoki Matsuda, Eiichi Ryobo, Masayuki Yamazaki | 2013-03-12 |
| 5779899 | Filter for highly viscous fluid | Hideo Nakamura, Akira Kondou, Michihiro Kawasaki | 1998-07-14 |