Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6162387 | Vacuum refining furnace | Kensuke Shimomura, Mayumi Okimori, Gaku Ogawa, Tomoaki Tanaka | 2000-12-19 |
| 4521364 | Filament-like fibers and bundles thereof, and novel process and apparatus for production thereof | Susumi Norota, Tsutomu Kiriyama, Toshinori Azumi | 1985-06-04 |
| 4429006 | Filament-like fibers and bundles thereof, and novel process and apparatus for production thereof | Susumu Norota, Tsutomu Kiriyama, Toshinori Azumi | 1984-01-31 |
| 4355075 | Novel filament-like fibers and bundles thereof, and novel process and apparatus for production thereof | Susumu Norota, Tsutomu Kiriyama, Toshinori Azumi | 1982-10-19 |