Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11530520 | Pile press-in machine and pile press-in method | Akio Kitamura, Hiroaki Tanouchi, Toshio Ikeda | 2022-12-20 |
| 11300729 | Method for manufacturing optical device | Eiichi Kuramochi, Hisashi Sumikura, Akihiko Shinya, Masaya Notomi | 2022-04-12 |