Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10399042 | Filtration filter | Takashi Kondo, Masaru Banju, Seiichi Matsumoto, Seiji Kamba, Wataru Yamamoto | 2019-09-03 |
| 10215947 | Fixing instrument and metal mesh device | Seiji Kamba | 2019-02-26 |