Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11927218 | Sealing device and method for applying grease thereto | Masahiro Seki, Yuichi Tarukawa | 2024-03-12 |
| 10265989 | Functional cylinder body and manufacturing method therefor | Tatsuo Shigeta, Kaku Shigeta | 2019-04-23 |
| 9188873 | Substrate having etching mask and method for producing same | Kaku Shigeta, Tatsuo Shigeta | 2015-11-17 |