Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5339868 | Bent pipe having sectional form of high strength | Hisashi Naoi, Yasusuke Inoue, Tetsuo Nagasaka, Masaaki Takagishi, Seiichi Akizawa | 1994-08-23 |
| 5335505 | Pulse tube refrigerator | Yasumi Ohtani, Hideo Hatakeyama, Toru Kuriyama, Hideki Nakagome | 1994-08-09 |