Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9999956 | Polishing device and polishing method | Hozumi Yasuda, Osamu Nabeya, Makoto Fukushima, Shingo Togashi, Satoru Yamaki +1 more | 2018-06-19 |
| D813180 | Elastic membrane for semiconductor wafer polishing apparatus | Makoto Fukushima, Hozumi Yasuda, Osamu Nabeya, Shingo Togashi, Satoru Yamaki | 2018-03-20 |
| D808349 | Elastic membrane for semiconductor wafer polishing apparatus | Makoto Fukushima, Hozumi Yasuda, Osamu Nabeya, Shingo Togashi, Satoru Yamaki | 2018-01-23 |