Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9548583 | Fiber laser oscillator, fiber laser processing device, and fiber laser oscillator dehumidification method | Hiroshi Sako, Asami Morino | 2017-01-17 |
| 8715451 | Heat pressing apparatus with puncture prevention function and method for producing woody material | Hideaki Korai, Atsushi Sumida, Takayoshi Osada, Osamu Yasuda | 2014-05-06 |
| 7754397 | Phase-shift mask, manufacturing method thereof and manufacturing method of semiconductor element | Toshio Konishi, Yosuke Kojima, Satoru Nemoto, Jun Sasaki | 2010-07-13 |
| 7632613 | Levenson type phase shift mask and manufacturing method thereof | Yosuke Kojima, Toshio Konishi, Masao Otaki, Jun Sasaki | 2009-12-15 |