Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10927031 | Method for dividing brittle-material substrate | — | 2021-02-23 |
| 10351461 | Method for dividing brittle substrate | — | 2019-07-16 |
| 8881633 | Cutter wheel, manufacturing method for same, manual scribing tool and scribing device | Haruo Wakayama, Tetsuji Shiozawa, Takashi Sekijima, Noriyuki Ogasawara | 2014-11-11 |
| 8707842 | Cutter wheel, manufacturing method for same, manual scribing tool and scribing device | Haruo Wakayama, Tetsuji Shiozawa, Takashi Sekijima, Noriyuki Ogasawara | 2014-04-29 |
| 7851241 | Method for severing brittle material substrate and severing apparatus using the method | Kazuya Maekawa | 2010-12-14 |
| 7814819 | Tip holder | — | 2010-10-19 |
| 7762171 | Tip holder | — | 2010-07-27 |
| 7234383 | Chip holder | — | 2007-06-26 |
| 6629484 | Cutter wheel for brittle sheets | Kazuya Maekawa | 2003-10-07 |
| D285285 | Glass cutter | — | 1986-08-26 |