Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8021623 | Examination method and examination assistant device for quartz product of semiconductor processing apparatus | Katsuhiko Anbai, Nobuhiro Takahashi, Teruyuki Hayashi | 2011-09-20 |
| 7829475 | Baking method of quartz products, computer program and storage medium | Katsuhiko Anbai, Tetsuya Shibata, Yuichi Tani | 2010-11-09 |
| 7670138 | Quartz-product baking method and quartz product | Katsuhiko Anbai, Masato KADOBE | 2010-03-02 |
| 4570558 | Overlock sewing machine having looping width adjusting mechanism | Tetsuro Hirayama, Ichirou Horie | 1986-02-18 |