Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4256478 | Method for forming stable high-velocity gas stream | Jun Matsumoto, Akira Tanigaki, Nobuhiko Tokuda, Keihachiro Tanaka | 1981-03-17 |
| 4243400 | Apparatus for producing fibers from heat-softening materials | Keihachiro Tanaka, Eiji Mizushima | 1981-01-06 |
| 4185981 | Method for producing fibers from heat-softening materials | Keihachiro Tanaka, Eiji Mizushima | 1980-01-29 |