Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10730124 | Taper thread-cutting spiral pipe tap | Takayuki Nakajima | 2020-08-04 |
| 6070436 | Manufacturing method for molded glass articles | Shinichiro Hirota, Ken Uno, Kishio Sugawara | 2000-06-06 |
| 5987922 | Manufacturing method for molded glass articles | Shinichiro Hirota, Ken Uno, Kishio Sugawara | 1999-11-23 |