Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318845 | Conductive composite filament and process for producing the same | Kazuhiko Tanaka, Yoshiteru Matsuo, Eiichirou Nakamura, Shoji Asano | 1994-06-07 |
| 5314170 | Steel heating furnace | Takeshi Tada, Toshikazu Akiyama, Ryoichi Tanaka | 1994-05-24 |
| 5304059 | Burner device of regenerative and alternate combustion type | Ryoichi Tanaka | 1994-04-19 |
| 5304420 | Vinyl alcohol unit-containing polymer fibers having high moisture absorption and high water absorption | Kiyoshi Hirakawa, Kazuhiko Tanaka, Tomoyasu Tsuda | 1994-04-19 |