Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6352579 | Chemical filter unit and gas purification system | Nami Hirata, Yoichi Fujumura, Masaki Amano | 2002-03-05 |
| 5658691 | Electrode for battery and process for producing electrode for batteries | Tatsuhiko Suzuki, Jun Tsukamoto, Keizo Ono, Katsumi Yamasaki | 1997-08-19 |
| 5227237 | Noncircular cross-section carbon fiber, process for producing the same and composite of the carbon fiber with resin | Akira Okuda | 1993-07-13 |
| 4491657 | Polyester multifilament yarn and process for producing thereof | Isoo Saito, Kotaro Fujioka, Hajime Arai | 1985-01-01 |