Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356574 | Process for producing pitch based activated carbon fibers and carbon fibers | Toshio Tamaki, Hideyuki Nakajima, Yoshiyuki Nishimura | 1994-10-18 |
| 5303465 | Method of assembling piston ring and method of assembling set oil ring and apparatus for assembling set oil ring | Shuzo Fujimoto, Yuji Tamai, Satoshi Takahashi, Naofumi Nagata | 1994-04-19 |