Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11448106 | Sealing structure | Shintaro Ishigami, Daizo Ito, Atsushi Nonaka | 2022-09-20 |
| D845361 | Cutting insert | Haruki Kumoi | 2019-04-09 |
| 10086448 | Indexable cutting tool | — | 2018-10-02 |
| D806150 | Cutting insert | Haruki Kumoi | 2017-12-26 |
| 5432488 | Electrical signal filter | Osamu Kotani | 1995-07-11 |