Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5329456 | Material flow control device | Toshiya Kaihara, Hiroshi Imai, Kiyoshi Ide, Fumiaki Suzuki, Takao Shimizu | 1994-07-12 |
| 5292381 | Piston ring and process for manufacturing the same | Takeshi Tsuchiya, Shuji Sameshima, Yoshio Onodera | 1994-03-08 |